6349397759 has 4 divisors (see below), whose sum is σ = 6497058216. Its totient is φ = 6201737304.

The previous prime is 6349397737. The next prime is 6349397771. The reversal of 6349397759 is 9577939436.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6349397759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6349397359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73830164 + ... + 73830249.

It is an arithmetic number, because the mean of its divisors is an integer number (1624264554).

Almost surely, 2^6349397759 is an apocalyptic number.

6349397759 is a deficient number, since it is larger than the sum of its proper divisors (147660457).

6349397759 is a wasteful number, since it uses less digits than its factorization.

6349397759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147660456.

The product of its digits is 38578680, while the sum is 62.

The square root of 6349397759 is about 79683.1083668302. The cubic root of 6349397759 is about 1851.7293553066.

The spelling of 6349397759 in words is "six billion, three hundred forty-nine million, three hundred ninety-seven thousand, seven hundred fifty-nine".