69274142091 has 72 divisors (see below), whose sum is σ = 126427523040. Its totient is φ = 35777871360.

The previous prime is 69274142029. The next prime is 69274142111. The reversal of 69274142091 is 19024147296.

69274142091 is a `hidden beast` number, since 6 + 9 + 27 + 414 + 209 + 1 = 666.

It is not a de Polignac number, because 69274142091 - 2³⁵ = 34914403723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69274142891) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1292515 + ... + 1345043.

It is an arithmetic number, because the mean of its divisors is an integer number (1755937820).

Almost surely, 2^69274142091 is an apocalyptic number.

69274142091 is a deficient number, since it is larger than the sum of its proper divisors (57153380949).

69274142091 is a wasteful number, since it uses less digits than its factorization.

69274142091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52737 (or 52723 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 69274142091 in words is "sixty-nine billion, two hundred seventy-four million, one hundred forty-two thousand, ninety-one".