51382663630 has 16 divisors (see below), whose sum is σ = 92491478064. Its totient is φ = 20552469120.

The previous prime is 51382663613. The next prime is 51382663637. The reversal of 51382663630 is 3636628315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51382663637) 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, 493414 + ... + 588406.

It is an arithmetic number, because the mean of its divisors is an integer number (5780717379).

Almost surely, 2^51382663630 is an apocalyptic number.

51382663630 is a deficient number, since it is larger than the sum of its proper divisors (41108814434).

51382663630 is a wasteful number, since it uses less digits than its factorization.

51382663630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149091.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 51382663630 in words is "fifty-one billion, three hundred eighty-two million, six hundred sixty-three thousand, six hundred thirty".