51830904429 has 96 divisors (see below), whose sum is σ = 82362728448. Its totient is φ = 32525064000.

The previous prime is 51830904413. The next prime is 51830904481. The reversal of 51830904429 is 92440903815.

51830904429 is a `hidden beast` number, since 518 + 3 + 0 + 90 + 4 + 42 + 9 = 666.

51830904429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51830904429 - 2⁴ = 51830904413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51830906429) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 52301124 + ... + 52302114.

It is an arithmetic number, because the mean of its divisors is an integer number (857945088).

Almost surely, 2^51830904429 is an apocalyptic number.

It is an amenable number.

51830904429 is a deficient number, since it is larger than the sum of its proper divisors (30531824019).

51830904429 is a wasteful number, since it uses less digits than its factorization.

51830904429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 51830904429 in words is "fifty-one billion, eight hundred thirty million, nine hundred four thousand, four hundred twenty-nine".