51204213636466 has 32 divisors (see below), whose sum is σ = 85833176034816. Its totient is φ = 22706747280000.

The previous prime is 51204213636427. The next prime is 51204213636497. The reversal of 51204213636466 is 66463631240215.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122780436 + ... + 123196768.

It is an arithmetic number, because the mean of its divisors is an integer number (2682286751088).

Almost surely, 2^{51204213636466} is an apocalyptic number.

51204213636466 is a deficient number, since it is larger than the sum of its proper divisors (34628962398350).

51204213636466 is a wasteful number, since it uses less digits than its factorization.

51204213636466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552738.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 51204213636466 in words is "fifty-one trillion, two hundred four billion, two hundred thirteen million, six hundred thirty-six thousand, four hundred sixty-six".