2664618425 has 48 divisors (see below), whose sum is σ = 4147829760. Its totient is φ = 1655691840.

The previous prime is 2664618391. The next prime is 2664618443. The reversal of 2664618425 is 5248164662.

It is not a de Polignac number, because 2664618425 - 2⁸ = 2664618169 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 59054 + ... + 93896.

It is an arithmetic number, because the mean of its divisors is an integer number (86413120).

Almost surely, 2^2664618425 is an apocalyptic number.

2664618425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2664618425 is a deficient number, since it is larger than the sum of its proper divisors (1483211335).

2664618425 is a wasteful number, since it uses less digits than its factorization.

2664618425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34902 (or 34897 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 2664618425 is about 51619.9421251128. The cubic root of 2664618425 is about 1386.3674148977.

The spelling of 2664618425 in words is "two billion, six hundred sixty-four million, six hundred eighteen thousand, four hundred twenty-five".