51234835929 has 4 divisors (see below), whose sum is σ = 68313114576. Its totient is φ = 34156557284.

The previous prime is 51234835919. The next prime is 51234835931. The reversal of 51234835929 is 92953843215.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51234835929 - 2¹² = 51234831833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51234835919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8539139319 + ... + 8539139324.

It is an arithmetic number, because the mean of its divisors is an integer number (17078278644).

Almost surely, 2^51234835929 is an apocalyptic number.

It is an amenable number.

51234835929 is a deficient number, since it is larger than the sum of its proper divisors (17078278647).

51234835929 is a wasteful number, since it uses less digits than its factorization.

51234835929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17078278646.

The product of its digits is 2332800, while the sum is 51.

The spelling of 51234835929 in words is "fifty-one billion, two hundred thirty-four million, eight hundred thirty-five thousand, nine hundred twenty-nine".