7638251325672 has 64 divisors (see below), whose sum is σ = 20833341004800. Its totient is φ = 2314427560640.

The previous prime is 7638251325647. The next prime is 7638251325697. The reversal of 7638251325672 is 2765231528367.

It is an interprime number because it is at equal distance from previous prime (7638251325647) and next prime (7638251325697).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1957729 + ... + 4371407.

It is an arithmetic number, because the mean of its divisors is an integer number (325520953200).

Almost surely, 2^{7638251325672} is an apocalyptic number.

It is an amenable number.

7638251325672 is an abundant number, since it is smaller than the sum of its proper divisors (13195089679128).

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

7638251325672 is a wasteful number, since it uses less digits than its factorization.

7638251325672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425686 (or 2425682 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 57.

The spelling of 7638251325672 in words is "seven trillion, six hundred thirty-eight billion, two hundred fifty-one million, three hundred twenty-five thousand, six hundred seventy-two".