52191944379 has 128 divisors (see below), whose sum is σ = 88149196800. Its totient is φ = 30346462080.

The previous prime is 52191944369. The next prime is 52191944401. The reversal of 52191944379 is 97344919125.

52191944379 is a `hidden beast` number, since 5 + 2 + 19 + 194 + 437 + 9 = 666.

It is not a de Polignac number, because 52191944379 - 2²⁰ = 52190895803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52191944339) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 107170074 + ... + 107170560.

It is an arithmetic number, because the mean of its divisors is an integer number (688665600).

Almost surely, 2^52191944379 is an apocalyptic number.

52191944379 is a deficient number, since it is larger than the sum of its proper divisors (35957252421).

52191944379 is a wasteful number, since it uses less digits than its factorization.

52191944379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 856 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 52191944379 in words is "fifty-two billion, one hundred ninety-one million, nine hundred forty-four thousand, three hundred seventy-nine".