51035690633 has 32 divisors (see below), whose sum is σ = 56771020800. Its totient is φ = 45633719296.

The previous prime is 51035690609. The next prime is 51035690647. The reversal of 51035690633 is 33609653015.

It is not a de Polignac number, because 51035690633 - 2¹⁰ = 51035689609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51035690603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50380235 + ... + 50381247.

It is an arithmetic number, because the mean of its divisors is an integer number (1774094400).

Almost surely, 2^51035690633 is an apocalyptic number.

It is an amenable number.

51035690633 is a deficient number, since it is larger than the sum of its proper divisors (5735330167).

51035690633 is a wasteful number, since it uses less digits than its factorization.

51035690633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801.

The product of its (nonzero) digits is 218700, while the sum is 41.

The spelling of 51035690633 in words is "fifty-one billion, thirty-five million, six hundred ninety thousand, six hundred thirty-three".