69279633423 has 128 divisors (see below), whose sum is σ = 138009231360. Its totient is φ = 33171949440.

The previous prime is 69279633407. The next prime is 69279633427. The reversal of 69279633423 is 32433697296.

69279633423 is a `hidden beast` number, since 6 + 92 + 79 + 63 + 3 + 423 = 666.

It is not a de Polignac number, because 69279633423 - 2⁴ = 69279633407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69279633423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69279633427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23863390 + ... + 23866292.

It is an arithmetic number, because the mean of its divisors is an integer number (1078197120).

Almost surely, 2^69279633423 is an apocalyptic number.

69279633423 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

69279633423 is a deficient number, since it is larger than the sum of its proper divisors (68729597937).

69279633423 is a wasteful number, since it uses less digits than its factorization.

69279633423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3820 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 54.

The spelling of 69279633423 in words is "sixty-nine billion, two hundred seventy-nine million, six hundred thirty-three thousand, four hundred twenty-three".