2659061947428 has 72 divisors (see below), whose sum is σ = 7085733957120. Its totient is φ = 838463296320.

The previous prime is 2659061947393. The next prime is 2659061947433. The reversal of 2659061947428 is 8247491609562.

2659061947428 is a `hidden beast` number, since 2 + 6 + 5 + 9 + 0 + 619 + 4 + 7 + 4 + 2 + 8 = 666.

It is a super-2 number, since 2×2659061947428² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2408068 + ... + 3334203.

Almost surely, 2^{2659061947428} is an apocalyptic number.

It is an amenable number.

2659061947428 is an abundant number, since it is smaller than the sum of its proper divisors (4426672009692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2659061947428 is a wasteful number, since it uses less digits than its factorization.

2659061947428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742977 (or 5742972 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 2659061947428 in words is "two trillion, six hundred fifty-nine billion, sixty-one million, nine hundred forty-seven thousand, four hundred twenty-eight".