51013616633 has 12 divisors (see below), whose sum is σ = 59364940032. Its totient is φ = 43709326920.

The previous prime is 51013616597. The next prime is 51013616683. The reversal of 51013616633 is 33661631015.

51013616633 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 51013616633 - 2¹⁴ = 51013600249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51013616593 and 51013616602.

It is not an unprimeable number, because it can be changed into a prime (51013616683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66953 + ... + 326358.

It is an arithmetic number, because the mean of its divisors is an integer number (4947078336).

Almost surely, 2^51013616633 is an apocalyptic number.

It is an amenable number.

51013616633 is a deficient number, since it is larger than the sum of its proper divisors (8351323399).

51013616633 is a wasteful number, since it uses less digits than its factorization.

51013616633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395972 (or 395965 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 51013616633 in words is "fifty-one billion, thirteen million, six hundred sixteen thousand, six hundred thirty-three".