6359640572449 has 4 divisors (see below), whose sum is σ = 6360912760000. Its totient is φ = 6358368384900.

The previous prime is 6359640572419. The next prime is 6359640572479. The reversal of 6359640572449 is 9442750469536.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (6359640572419) and next prime (6359640572479).

It is a cyclic number.

It is not a de Polignac number, because 6359640572449 - 2⁹ = 6359640571937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6359640572419) 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, 636086277 + ... + 636096274.

It is an arithmetic number, because the mean of its divisors is an integer number (1590228190000).

Almost surely, 2^{6359640572449} is an apocalyptic number.

It is an amenable number.

6359640572449 is a deficient number, since it is larger than the sum of its proper divisors (1272187551).

6359640572449 is a wasteful number, since it uses less digits than its factorization.

6359640572449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272187550.

The product of its (nonzero) digits is 195955200, while the sum is 64.

The spelling of 6359640572449 in words is "six trillion, three hundred fifty-nine billion, six hundred forty million, five hundred seventy-two thousand, four hundred forty-nine".