51382356874 has 16 divisors (see below), whose sum is σ = 77317527168. Its totient is φ = 25609910112.

The previous prime is 51382356871. The next prime is 51382356923. The reversal of 51382356874 is 47865328315.

It is a happy number.

51382356874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51382356871) 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, 1801029 + ... + 1829335.

It is an arithmetic number, because the mean of its divisors is an integer number (4832345448).

Almost surely, 2^51382356874 is an apocalyptic number.

51382356874 is a deficient number, since it is larger than the sum of its proper divisors (25935170294).

51382356874 is a wasteful number, since it uses less digits than its factorization.

51382356874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31149.

The product of its digits is 4838400, while the sum is 52.

The spelling of 51382356874 in words is "fifty-one billion, three hundred eighty-two million, three hundred fifty-six thousand, eight hundred seventy-four".