8572600964649 has 4 divisors (see below), whose sum is σ = 11430134619536. Its totient is φ = 5715067309764.

The previous prime is 8572600964639. The next prime is 8572600964717. The reversal of 8572600964649 is 9464690062758.

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 not a de Polignac number, because 8572600964649 - 2²⁸ = 8572332529193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8572600964649.

It is not an unprimeable number, because it can be changed into a prime (8572600964639) 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, 1428766827439 + ... + 1428766827444.

It is an arithmetic number, because the mean of its divisors is an integer number (2857533654884).

Almost surely, 2^{8572600964649} is an apocalyptic number.

It is an amenable number.

8572600964649 is a deficient number, since it is larger than the sum of its proper divisors (2857533654887).

8572600964649 is a wasteful number, since it uses less digits than its factorization.

8572600964649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857533654886.

The product of its (nonzero) digits is 156764160, while the sum is 66.

The spelling of 8572600964649 in words is "eight trillion, five hundred seventy-two billion, six hundred million, nine hundred sixty-four thousand, six hundred forty-nine".