69813794643 has 4 divisors (see below), whose sum is σ = 93085059528. Its totient is φ = 46542529760.

The previous prime is 69813794627. The next prime is 69813794663. The reversal of 69813794643 is 34649731896.

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 69813794643 - 2⁴ = 69813794627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69813794663) 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, 11635632438 + ... + 11635632443.

It is an arithmetic number, because the mean of its divisors is an integer number (23271264882).

Almost surely, 2^69813794643 is an apocalyptic number.

69813794643 is a deficient number, since it is larger than the sum of its proper divisors (23271264885).

69813794643 is a wasteful number, since it uses less digits than its factorization.

69813794643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23271264884.

The product of its digits is 23514624, while the sum is 60.

The spelling of 69813794643 in words is "sixty-nine billion, eight hundred thirteen million, seven hundred ninety-four thousand, six hundred forty-three".