979591429 has 2 divisors, whose sum is σ = 979591430. Its totient is φ = 979591428.

The previous prime is 979591399. The next prime is 979591447. The reversal of 979591429 is 924195979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946792900 + 32798529 = 30770^2 + 5727^2 .

It is a cyclic number.

It is not a de Polignac number, because 979591429 - 2²³ = 971202821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 979591429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979591469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489795714 + 489795715.

It is an arithmetic number, because the mean of its divisors is an integer number (489795715).

Almost surely, 2^979591429 is an apocalyptic number.

It is an amenable number.

979591429 is a deficient number, since it is larger than the sum of its proper divisors (1).

979591429 is an equidigital number, since it uses as much as digits as its factorization.

979591429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 55.

The square root of 979591429 is about 31298.4253437773. The cubic root of 979591429 is about 993.1503321748.

The spelling of 979591429 in words is "nine hundred seventy-nine million, five hundred ninety-one thousand, four hundred twenty-nine".