8179530973 has 2 divisors, whose sum is σ = 8179530974. Its totient is φ = 8179530972.

The previous prime is 8179530959. The next prime is 8179530991. The reversal of 8179530973 is 3790359718.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5455004164 + 2724526809 = 73858^2 + 52197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8179530973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8179530973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8179530673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4089765486 + 4089765487.

It is an arithmetic number, because the mean of its divisors is an integer number (4089765487).

Almost surely, 2^8179530973 is an apocalyptic number.

It is an amenable number.

8179530973 is a deficient number, since it is larger than the sum of its proper divisors (1).

8179530973 is an equidigital number, since it uses as much as digits as its factorization.

8179530973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 8179530973 is about 90440.7594671783. The cubic root of 8179530973 is about 2014.8503746853.

The spelling of 8179530973 in words is "eight billion, one hundred seventy-nine million, five hundred thirty thousand, nine hundred seventy-three".