979749167653 has 8 divisors (see below), whose sum is σ = 1015524862200. Its totient is φ = 944106222528.

The previous prime is 979749167641. The next prime is 979749167681. The reversal of 979749167653 is 356761947979.

It can be written as a sum of positive squares in 4 ways, for example, as 608896181124 + 370852986529 = 780318^2 + 608977^2 .

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 979749167653 - 2²⁵ = 979715613221 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 (979749107653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33172326 + ... + 33201847.

It is an arithmetic number, because the mean of its divisors is an integer number (126940607775).

Almost surely, 2^979749167653 is an apocalyptic number.

It is an amenable number.

979749167653 is a deficient number, since it is larger than the sum of its proper divisors (35775694547).

979749167653 is a wasteful number, since it uses less digits than its factorization.

979749167653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66374711.

The product of its digits is 540101520, while the sum is 73.

The spelling of 979749167653 in words is "nine hundred seventy-nine billion, seven hundred forty-nine million, one hundred sixty-seven thousand, six hundred fifty-three".