42952390979 has 2 divisors, whose sum is σ = 42952390980. Its totient is φ = 42952390978.

The previous prime is 42952390919. The next prime is 42952391047. The reversal of 42952390979 is 97909325924.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42952390979 is a prime.

It is not a weakly prime, because it can be changed into another prime (42952390909) 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, 21476195489 + 21476195490.

It is an arithmetic number, because the mean of its divisors is an integer number (21476195490).

Almost surely, 2^42952390979 is an apocalyptic number.

42952390979 is a deficient number, since it is larger than the sum of its proper divisors (1).

42952390979 is an equidigital number, since it uses as much as digits as its factorization.

42952390979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 42952390979 in words is "forty-two billion, nine hundred fifty-two million, three hundred ninety thousand, nine hundred seventy-nine".