979140451 has 2 divisors, whose sum is σ = 979140452. Its totient is φ = 979140450.

The previous prime is 979140443. The next prime is 979140469. The reversal of 979140451 is 154041979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 979140451 - 2³ = 979140443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (979144451) 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 as a sum of consecutive naturals, namely, 489570225 + 489570226.

It is an arithmetic number, because the mean of its divisors is an integer number (489570226).

Almost surely, 2^979140451 is an apocalyptic number.

979140451 is a deficient number, since it is larger than the sum of its proper divisors (1).

979140451 is an equidigital number, since it uses as much as digits as its factorization.

979140451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 979140451 is about 31291.2200305453. The cubic root of 979140451 is about 992.9979020606.

The spelling of 979140451 in words is "nine hundred seventy-nine million, one hundred forty thousand, four hundred fifty-one".