69929141621994 has 48 divisors (see below), whose sum is σ = 158065604843328. Its totient is φ = 23170134722112.

The previous prime is 69929141621993. The next prime is 69929141622007. The reversal of 69929141621994 is 49912614192996.

69929141621994 is a `hidden beast` number, since 6 + 99 + 29 + 1 + 416 + 2 + 19 + 94 = 666.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69929141621993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430718607 + ... + 430880930.

It is an arithmetic number, because the mean of its divisors is an integer number (3293033434236).

Almost surely, 2^{69929141621994} is an apocalyptic number.

69929141621994 is an abundant number, since it is smaller than the sum of its proper divisors (88136463221334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69929141621994 is a wasteful number, since it uses less digits than its factorization.

69929141621994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861599721 (or 861599709 counting only the distinct ones).

The product of its digits is 136048896, while the sum is 72.

The spelling of 69929141621994 in words is "sixty-nine trillion, nine hundred twenty-nine billion, one hundred forty-one million, six hundred twenty-one thousand, nine hundred ninety-four".