51629984159 has 16 divisors (see below), whose sum is σ = 55730808000. Its totient is φ = 47547780096.

The previous prime is 51629984141. The next prime is 51629984171. The reversal of 51629984159 is 95148992615.

It is a cyclic number.

It is not a de Polignac number, because 51629984159 - 2²⁰ = 51628935583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51629984098 and 51629984107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51629984179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11869517 + ... + 11873865.

It is an arithmetic number, because the mean of its divisors is an integer number (3483175500).

Almost surely, 2^51629984159 is an apocalyptic number.

51629984159 is a deficient number, since it is larger than the sum of its proper divisors (4100823841).

51629984159 is a wasteful number, since it uses less digits than its factorization.

51629984159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274.

The product of its digits is 6998400, while the sum is 59.

The spelling of 51629984159 in words is "fifty-one billion, six hundred twenty-nine million, nine hundred eighty-four thousand, one hundred fifty-nine".