69134918427 has 6 divisors (see below), whose sum is σ = 99861548852. Its totient is φ = 46089945612.

The previous prime is 69134918407. The next prime is 69134918473. The reversal of 69134918427 is 72481943196.

69134918427 is a `hidden beast` number, since 69 + 13 + 491 + 84 + 2 + 7 = 666.

It is not a de Polignac number, because 69134918427 - 2²² = 69130724123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69134918407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3840828793 + ... + 3840828810.

Almost surely, 2^69134918427 is an apocalyptic number.

69134918427 is a deficient number, since it is larger than the sum of its proper divisors (30726630425).

69134918427 is a wasteful number, since it uses less digits than its factorization.

69134918427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681657609 (or 7681657606 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 69134918427 in words is "sixty-nine billion, one hundred thirty-four million, nine hundred eighteen thousand, four hundred twenty-seven".