51234414236536 has 8 divisors (see below), whose sum is σ = 96064526693520. Its totient is φ = 25617207118264.

The previous prime is 51234414236531. The next prime is 51234414236567. The reversal of 51234414236536 is 63563241443215.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 51234414236536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234414236531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202150889776 + ... + 3202150889791.

It is an arithmetic number, because the mean of its divisors is an integer number (12008065836690).

Almost surely, 2^{51234414236536} is an apocalyptic number.

It is an amenable number.

51234414236536 is a deficient number, since it is larger than the sum of its proper divisors (44830112456984).

51234414236536 is a wasteful number, since it uses less digits than its factorization.

51234414236536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404301779573 (or 6404301779569 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 49.

The spelling of 51234414236536 in words is "fifty-one trillion, two hundred thirty-four billion, four hundred fourteen million, two hundred thirty-six thousand, five hundred thirty-six".