51834994929 has 45 divisors (see below), whose sum is σ = 79496027281. Its totient is φ = 33659176320.

The previous prime is 51834994919. The next prime is 51834994931. The reversal of 51834994929 is 92949943815.

The square root of 51834994929 is 227673.

It is a perfect power (a square), and thus also a powerful number.

51834994929 is a `hidden beast` number, since 5 + 1 + 83 + 499 + 49 + 29 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 44257640625 + 7577354304 = 210375^2 + 87048^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51834994929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51834994909) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 84011029 + ... + 84011645.

Almost surely, 2^51834994929 is an apocalyptic number.

51834994929 is the 227673-rd square number.

51834994929 is the 113837-th centered octagonal number.

It is an amenable number.

51834994929 is a deficient number, since it is larger than the sum of its proper divisors (27661032352).

51834994929 is an frugal number, since it uses more digits than its factorization.

51834994929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 661 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

It can be divided in two parts, 518349 and 94929, that added together give a triangular number (613278 = T₁₁₀₇).

The spelling of 51834994929 in words is "fifty-one billion, eight hundred thirty-four million, nine hundred ninety-four thousand, nine hundred twenty-nine".