390141480979 has 2 divisors, whose sum is σ = 390141480980. Its totient is φ = 390141480978.

The previous prime is 390141480959. The next prime is 390141480997. The reversal of 390141480979 is 979084141093.

Together with next prime (390141480997) 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 390141480979 - 2⁵ = 390141480947 is a prime.

It is not a weakly prime, because it can be changed into another prime (390141480919) 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, 195070740489 + 195070740490.

It is an arithmetic number, because the mean of its divisors is an integer number (195070740490).

Almost surely, 2^390141480979 is an apocalyptic number.

390141480979 is a deficient number, since it is larger than the sum of its proper divisors (1).

390141480979 is an equidigital number, since it uses as much as digits as its factorization.

390141480979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 390141480979 in words is "three hundred ninety billion, one hundred forty-one million, four hundred eighty thousand, nine hundred seventy-nine".