51219034932 has 48 divisors (see below), whose sum is σ = 129266359040. Its totient is φ = 15690872448.

The previous prime is 51219034931. The next prime is 51219034967. The reversal of 51219034932 is 23943091215.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51219034931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681148 + ... + 752595.

Almost surely, 2^51219034932 is an apocalyptic number.

51219034932 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51219034932 is an abundant number, since it is smaller than the sum of its proper divisors (78047324108).

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

51219034932 is a wasteful number, since it uses less digits than its factorization.

51219034932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433992 (or 1433990 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 51219034932 in words is "fifty-one billion, two hundred nineteen million, thirty-four thousand, nine hundred thirty-two".