5286671952391 has 4 divisors (see below), whose sum is σ = 5415615170784. Its totient is φ = 5157728734000.

The previous prime is 5286671952361. The next prime is 5286671952413. The reversal of 5286671952391 is 1932591766825.

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

It is a cyclic number.

It is not a de Polignac number, because 5286671952391 - 2²⁵ = 5286638397959 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 (5286671952301) 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, 64471609135 + ... + 64471609216.

It is an arithmetic number, because the mean of its divisors is an integer number (1353903792696).

Almost surely, 2^{5286671952391} is an apocalyptic number.

5286671952391 is a deficient number, since it is larger than the sum of its proper divisors (128943218393).

5286671952391 is a wasteful number, since it uses less digits than its factorization.

5286671952391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128943218392.

The product of its digits is 48988800, while the sum is 64.

The spelling of 5286671952391 in words is "five trillion, two hundred eighty-six billion, six hundred seventy-one million, nine hundred fifty-two thousand, three hundred ninety-one".