69891238892 has 24 divisors (see below), whose sum is σ = 126199786944. Its totient is φ = 33849487872.

The previous prime is 69891238847. The next prime is 69891238919. The reversal of 69891238892 is 29883219896.

It is a super-2 number, since 2×69891238892² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898063 + ... + 1934534.

It is an arithmetic number, because the mean of its divisors is an integer number (5258324456).

Almost surely, 2^69891238892 is an apocalyptic number.

It is an amenable number.

69891238892 is a deficient number, since it is larger than the sum of its proper divisors (56308548052).

69891238892 is a wasteful number, since it uses less digits than its factorization.

69891238892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832745 (or 3832743 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 65.

The spelling of 69891238892 in words is "sixty-nine billion, eight hundred ninety-one million, two hundred thirty-eight thousand, eight hundred ninety-two".