6400252570517 has 8 divisors (see below), whose sum is σ = 6979827536640. Its totient is φ = 5833141582320.

The previous prime is 6400252570477. The next prime is 6400252570541. The reversal of 6400252570517 is 7150752520046.

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

It is not a de Polignac number, because 6400252570517 - 2²⁶ = 6400185461653 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 (6400252570567) 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, 3115993409 + ... + 3115995462.

It is an arithmetic number, because the mean of its divisors is an integer number (872478442080).

Almost surely, 2^{6400252570517} is an apocalyptic number.

It is an amenable number.

6400252570517 is a deficient number, since it is larger than the sum of its proper divisors (579574966123).

6400252570517 is a wasteful number, since it uses less digits than its factorization.

6400252570517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231988963.

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 6400252570517 in words is "six trillion, four hundred billion, two hundred fifty-two million, five hundred seventy thousand, five hundred seventeen".