51630365304412 has 24 divisors (see below), whose sum is σ = 90584865876960. Its totient is φ = 25748980994880.

The previous prime is 51630365304409. The next prime is 51630365304487. The reversal of 51630365304412 is 21440356303615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34568337 + ... + 36030967.

It is an arithmetic number, because the mean of its divisors is an integer number (3774369411540).

Almost surely, 2^{51630365304412} is an apocalyptic number.

It is an amenable number.

51630365304412 is a deficient number, since it is larger than the sum of its proper divisors (38954500572548).

51630365304412 is a wasteful number, since it uses less digits than its factorization.

51630365304412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485261 (or 1485259 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 51630365304412 in words is "fifty-one trillion, six hundred thirty billion, three hundred sixty-five million, three hundred four thousand, four hundred twelve".