979201854131 has 4 divisors (see below), whose sum is σ = 979210440264. Its totient is φ = 979193268000.

The previous prime is 979201854107. The next prime is 979201854143. The reversal of 979201854131 is 131458102979.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 979201854131 - 2¹⁸ = 979201591987 is a prime.

It is a super-2 number, since 2×979201854131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 979201854131.

It is not an unprimeable number, because it can be changed into a prime (979201854101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4119665 + ... + 4350866.

It is an arithmetic number, because the mean of its divisors is an integer number (244802610066).

Almost surely, 2^979201854131 is an apocalyptic number.

979201854131 is a deficient number, since it is larger than the sum of its proper divisors (8586133).

979201854131 is a wasteful number, since it uses less digits than its factorization.

979201854131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586132.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 979201854131 in words is "nine hundred seventy-nine billion, two hundred one million, eight hundred fifty-four thousand, one hundred thirty-one".