7646996465 has 4 divisors (see below), whose sum is σ = 9176395764. Its totient is φ = 6117597168.

The previous prime is 7646996459. The next prime is 7646996503. The reversal of 7646996465 is 5646996467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5890716001 + 1756280464 = 76751^2 + 41908^2 .

It is a cyclic number.

It is not a de Polignac number, because 7646996465 - 2²⁸ = 7378561009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7646996398 and 7646996407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764699642 + ... + 764699651.

It is an arithmetic number, because the mean of its divisors is an integer number (2294098941).

Almost surely, 2^7646996465 is an apocalyptic number.

It is an amenable number.

7646996465 is a deficient number, since it is larger than the sum of its proper divisors (1529399299).

7646996465 is a wasteful number, since it uses less digits than its factorization.

7646996465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529399298.

The product of its digits is 58786560, while the sum is 62.

The square root of 7646996465 is about 87447.1066702610. The cubic root of 7646996465 is about 1970.1394307250.

The spelling of 7646996465 in words is "seven billion, six hundred forty-six million, nine hundred ninety-six thousand, four hundred sixty-five".