51479358346 has 32 divisors (see below), whose sum is σ = 85250592000. Its totient is φ = 23162958720.

The previous prime is 51479358311. The next prime is 51479358349. The reversal of 51479358346 is 64385397415.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (51479358349) 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, 1474075 + ... + 1508593.

It is an arithmetic number, because the mean of its divisors is an integer number (2664081000).

Almost surely, 2^51479358346 is an apocalyptic number.

51479358346 is a deficient number, since it is larger than the sum of its proper divisors (33771233654).

51479358346 is a wasteful number, since it uses less digits than its factorization.

51479358346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35974.

The product of its digits is 10886400, while the sum is 55.

The spelling of 51479358346 in words is "fifty-one billion, four hundred seventy-nine million, three hundred fifty-eight thousand, three hundred forty-six".