51374347351998 has 32 divisors (see below), whose sum is σ = 112377632964480. Its totient is φ = 15527963513760.

The previous prime is 51374347351981. The next prime is 51374347352021. The reversal of 51374347351998 is 89915374347315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000487440 + ... + 1000538787.

It is an arithmetic number, because the mean of its divisors is an integer number (3511801030140).

Almost surely, 2^{51374347351998} is an apocalyptic number.

51374347351998 is an abundant number, since it is smaller than the sum of its proper divisors (61003285612482).

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

51374347351998 is a wasteful number, since it uses less digits than its factorization.

51374347351998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001026632.

The product of its digits is 342921600, while the sum is 69.

The spelling of 51374347351998 in words is "fifty-one trillion, three hundred seventy-four billion, three hundred forty-seven million, three hundred fifty-one thousand, nine hundred ninety-eight".