69681591793 has 16 divisors (see below), whose sum is σ = 76252594176. Its totient is φ = 63150146640.

The previous prime is 69681591767. The next prime is 69681591817. The reversal of 69681591793 is 39719518696.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 69681591793 - 2⁹ = 69681591281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69681591493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14941180 + ... + 14945842.

It is an arithmetic number, because the mean of its divisors is an integer number (4765787136).

Almost surely, 2^69681591793 is an apocalyptic number.

It is an amenable number.

69681591793 is a deficient number, since it is larger than the sum of its proper divisors (6571002383).

69681591793 is a wasteful number, since it uses less digits than its factorization.

69681591793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604.

The product of its digits is 22044960, while the sum is 64.

The spelling of 69681591793 in words is "sixty-nine billion, six hundred eighty-one million, five hundred ninety-one thousand, seven hundred ninety-three".