51063659930 has 16 divisors (see below), whose sum is σ = 91940979744. Its totient is φ = 20419599120.

The previous prime is 51063659873. The next prime is 51063659939. The reversal of 51063659930 is 3995636015.

It is not an unprimeable number, because it can be changed into a prime (51063659939) 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, 696452 + ... + 766271.

It is an arithmetic number, because the mean of its divisors is an integer number (5746311234).

Almost surely, 2^51063659930 is an apocalyptic number.

51063659930 is a deficient number, since it is larger than the sum of its proper divisors (40877319814).

51063659930 is a wasteful number, since it uses less digits than its factorization.

51063659930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466221.

The product of its (nonzero) digits is 656100, while the sum is 47.

The spelling of 51063659930 in words is "fifty-one billion, sixty-three million, six hundred fifty-nine thousand, nine hundred thirty".