51235134433434 has 48 divisors (see below), whose sum is σ = 126868354367040. Its totient is φ = 14638563403200.

The previous prime is 51235134433421. The next prime is 51235134433463. The reversal of 51235134433434 is 43433443153215.

51235134433434 is a `hidden beast` number, since 5 + 1 + 23 + 513 + 44 + 33 + 43 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51235134433434.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68735134 + ... + 69476534.

It is an arithmetic number, because the mean of its divisors is an integer number (2643090715980).

Almost surely, 2^{51235134433434} is an apocalyptic number.

51235134433434 is an abundant number, since it is smaller than the sum of its proper divisors (75633219933606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51235134433434 is a wasteful number, since it uses less digits than its factorization.

51235134433434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289875 (or 1289872 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 45.

Adding to 51235134433434 its reverse (43433443153215), we get a palindrome (94668577586649).

The spelling of 51235134433434 in words is "fifty-one trillion, two hundred thirty-five billion, one hundred thirty-four million, four hundred thirty-three thousand, four hundred thirty-four".