6349964737 has 8 divisors (see below), whose sum is σ = 6395697000. Its totient is φ = 6304274304.

The previous prime is 6349964707. The next prime is 6349964741. The reversal of 6349964737 is 7374699436.

It can be written as a sum of positive squares in 4 ways, for example, as 1365745936 + 4984218801 = 36956^2 + 70599^2 .

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 6349964737 - 2¹⁵ = 6349931969 is a prime.

It is a super-2 number, since 2×6349964737² = 80644104322286958338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6349964707) 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, 334813 + ... + 353269.

It is an arithmetic number, because the mean of its divisors is an integer number (799462125).

Almost surely, 2^6349964737 is an apocalyptic number.

It is an amenable number.

6349964737 is a deficient number, since it is larger than the sum of its proper divisors (45732263).

6349964737 is a wasteful number, since it uses less digits than its factorization.

6349964737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20915.

The product of its digits is 20575296, while the sum is 58.

The square root of 6349964737 is about 79686.6659924984. The cubic root of 6349964737 is about 1851.7844712193.

The spelling of 6349964737 in words is "six billion, three hundred forty-nine million, nine hundred sixty-four thousand, seven hundred thirty-seven".