7649372451 has 16 divisors (see below), whose sum is σ = 11698275584. Its totient is φ = 4355286624.

The previous prime is 7649372443. The next prime is 7649372477. The reversal of 7649372451 is 1542739467.

It is not a de Polignac number, because 7649372451 - 2³ = 7649372443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7649372451.

It is not an unprimeable number, because it can be changed into a prime (7649372491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651685 + ... + 663318.

It is an arithmetic number, because the mean of its divisors is an integer number (731142224).

Almost surely, 2^7649372451 is an apocalyptic number.

7649372451 is a deficient number, since it is larger than the sum of its proper divisors (4048903133).

7649372451 is a wasteful number, since it uses less digits than its factorization.

7649372451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315290.

The product of its digits is 1270080, while the sum is 48.

The square root of 7649372451 is about 87460.6908902508. The cubic root of 7649372451 is about 1970.3434558826.

The spelling of 7649372451 in words is "seven billion, six hundred forty-nine million, three hundred seventy-two thousand, four hundred fifty-one".