51465913382 has 16 divisors (see below), whose sum is σ = 84189618240. Its totient is φ = 23452820352.

The previous prime is 51465913381. The next prime is 51465913391. The reversal of 51465913382 is 28331956415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51465913381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12526163 + ... + 12530270.

It is an arithmetic number, because the mean of its divisors is an integer number (5261851140).

Almost surely, 2^51465913382 is an apocalyptic number.

51465913382 is a deficient number, since it is larger than the sum of its proper divisors (32723704858).

51465913382 is a wasteful number, since it uses less digits than its factorization.

51465913382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25056527.

The product of its digits is 777600, while the sum is 47.

The spelling of 51465913382 in words is "fifty-one billion, four hundred sixty-five million, nine hundred thirteen thousand, three hundred eighty-two".