7645832645 has 16 divisors (see below), whose sum is σ = 10012429440. Its totient is φ = 5558750400.

The previous prime is 7645832639. The next prime is 7645832651. The reversal of 7645832645 is 5462385467.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7645832639) and next prime (7645832651).

It is a de Polignac number, because none of the positive numbers 2^k-7645832645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7645832593 and 7645832602.

It is a congruent number.

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, 155576 + ... + 198734.

It is an arithmetic number, because the mean of its divisors is an integer number (625776840).

Almost surely, 2^7645832645 is an apocalyptic number.

It is an amenable number.

7645832645 is a deficient number, since it is larger than the sum of its proper divisors (2366596795).

7645832645 is a wasteful number, since it uses less digits than its factorization.

7645832645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46396.

The product of its digits is 4838400, while the sum is 50.

The square root of 7645832645 is about 87440.4519944859. The cubic root of 7645832645 is about 1970.0394784534.

The spelling of 7645832645 in words is "seven billion, six hundred forty-five million, eight hundred thirty-two thousand, six hundred forty-five".