2660434425 has 36 divisors (see below), whose sum is σ = 5198332464. Its totient is φ = 1289906400.

The previous prime is 2660434417. The next prime is 2660434429. The reversal of 2660434425 is 5244340662.

2660434425 is a `hidden beast` number, since 2 + 6 + 604 + 3 + 4 + 42 + 5 = 666.

2660434425 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2660434425 - 2³ = 2660434417 is a prime.

It is a super-2 number, since 2×2660434425² = 14155822659450161250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2660434425.

It is not an unprimeable number, because it can be changed into a prime (2660434429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 534987 + ... + 539936.

It is an arithmetic number, because the mean of its divisors is an integer number (144398124).

Almost surely, 2^2660434425 is an apocalyptic number.

2660434425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2660434425 is a deficient number, since it is larger than the sum of its proper divisors (2537898039).

2660434425 is a wasteful number, since it uses less digits than its factorization.

2660434425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074950 (or 1074942 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 2660434425 is about 51579.3992307006. The cubic root of 2660434425 is about 1385.6414072655.

The spelling of 2660434425 in words is "two billion, six hundred sixty million, four hundred thirty-four thousand, four hundred twenty-five".