7645245488 has 40 divisors (see below), whose sum is σ = 15100290960. Its totient is φ = 3748711680.

The previous prime is 7645245469. The next prime is 7645245511. The reversal of 7645245488 is 8845425467.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387806 + ... + 407042.

It is an arithmetic number, because the mean of its divisors is an integer number (377507274).

Almost surely, 2^7645245488 is an apocalyptic number.

It is an amenable number.

7645245488 is a deficient number, since it is larger than the sum of its proper divisors (7455045472).

7645245488 is a wasteful number, since it uses less digits than its factorization.

7645245488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19725 (or 19719 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 53.

The square root of 7645245488 is about 87437.0944622475. The cubic root of 7645245488 is about 1969.9890478404.

The spelling of 7645245488 in words is "seven billion, six hundred forty-five million, two hundred forty-five thousand, four hundred eighty-eight".