69867968493 has 4 divisors (see below), whose sum is σ = 93157291328. Its totient is φ = 46578645660.

The previous prime is 69867968477. The next prime is 69867968579. The reversal of 69867968493 is 39486976896.

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 69867968493 - 2⁴ = 69867968477 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 (69867958493) 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, 11644661413 + ... + 11644661418.

It is an arithmetic number, because the mean of its divisors is an integer number (23289322832).

Almost surely, 2^69867968493 is an apocalyptic number.

It is an amenable number.

69867968493 is a deficient number, since it is larger than the sum of its proper divisors (23289322835).

69867968493 is a wasteful number, since it uses less digits than its factorization.

69867968493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23289322834.

The product of its digits is 846526464, while the sum is 75.

The spelling of 69867968493 in words is "sixty-nine billion, eight hundred sixty-seven million, nine hundred sixty-eight thousand, four hundred ninety-three".