5648972965 has 8 divisors (see below), whose sum is σ = 6961977720. Its totient is φ = 4397038272.

The previous prime is 5648972963. The next prime is 5648973013. The reversal of 5648972965 is 5692798465.

It can be written as a sum of positive squares in 4 ways, for example, as 1319069761 + 4329903204 = 36319^2 + 65802^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5648972965 - 2¹ = 5648972963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5648972963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15267310 + ... + 15267679.

It is an arithmetic number, because the mean of its divisors is an integer number (870247215).

Almost surely, 2^5648972965 is an apocalyptic number.

It is an amenable number.

5648972965 is a deficient number, since it is larger than the sum of its proper divisors (1313004755).

5648972965 is a wasteful number, since it uses less digits than its factorization.

5648972965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30535031.

The product of its digits is 32659200, while the sum is 61.

The square root of 5648972965 is about 75159.6498461774. The cubic root of 5648972965 is about 1780.9695686729.

The spelling of 5648972965 in words is "five billion, six hundred forty-eight million, nine hundred seventy-two thousand, nine hundred sixty-five".