9740256979 has 2 divisors, whose sum is σ = 9740256980. Its totient is φ = 9740256978.

The previous prime is 9740256943. The next prime is 9740256997. The reversal of 9740256979 is 9796520479.

Together with next prime (9740256997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9740256979 - 2³³ = 1150322387 is a prime.

It is not a weakly prime, because it can be changed into another prime (9740253979) 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, 4870128489 + 4870128490.

It is an arithmetic number, because the mean of its divisors is an integer number (4870128490).

Almost surely, 2^9740256979 is an apocalyptic number.

9740256979 is a deficient number, since it is larger than the sum of its proper divisors (1).

9740256979 is an equidigital number, since it uses as much as digits as its factorization.

9740256979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 58.

The square root of 9740256979 is about 98692.7402547928. The cubic root of 9740256979 is about 2135.6175036313.

The spelling of 9740256979 in words is "nine billion, seven hundred forty million, two hundred fifty-six thousand, nine hundred seventy-nine".