51943074220799 has 8 divisors (see below), whose sum is σ = 54699542093040. Its totient is φ = 49188868534656.

The previous prime is 51943074220607. The next prime is 51943074220813. The reversal of 51943074220799 is 99702247034915.

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

It is a cyclic number.

It is not a de Polignac number, because 51943074220799 - 2²⁰ = 51943073172223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51943074222799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565499384 + ... + 565591229.

It is an arithmetic number, because the mean of its divisors is an integer number (6837442761630).

Almost surely, 2^{51943074220799} is an apocalyptic number.

51943074220799 is a deficient number, since it is larger than the sum of its proper divisors (2756467872241).

51943074220799 is a wasteful number, since it uses less digits than its factorization.

51943074220799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131093049.

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 51943074220799 in words is "fifty-one trillion, nine hundred forty-three billion, seventy-four million, two hundred twenty thousand, seven hundred ninety-nine".