51970386444782 has 8 divisors (see below), whose sum is σ = 83952162718536. Its totient is φ = 23986332205272.

The previous prime is 51970386444749. The next prime is 51970386444799. The reversal of 51970386444782 is 28744468307915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999430508528 + ... + 999430508579.

It is an arithmetic number, because the mean of its divisors is an integer number (10494020339817).

It is a 2-persistent number, because it is pandigital, and so is 2⋅51970386444782 = 103940772889564, but 3⋅51970386444782 = 155911159334346 is not.

Almost surely, 2^{51970386444782} is an apocalyptic number.

51970386444782 is a deficient number, since it is larger than the sum of its proper divisors (31981776273754).

51970386444782 is a wasteful number, since it uses less digits than its factorization.

51970386444782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998861017122.

The product of its (nonzero) digits is 325140480, while the sum is 68.

The spelling of 51970386444782 in words is "fifty-one trillion, nine hundred seventy billion, three hundred eighty-six million, four hundred forty-four thousand, seven hundred eighty-two".