416861425979 has 2 divisors, whose sum is σ = 416861425980. Its totient is φ = 416861425978.

The previous prime is 416861425949. The next prime is 416861425987. The reversal of 416861425979 is 979524168614.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-416861425979 is a prime.

It is a super-2 number, since 2×416861425979² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (416861425949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208430712989 + 208430712990.

It is an arithmetic number, because the mean of its divisors is an integer number (208430712990).

Almost surely, 2^416861425979 is an apocalyptic number.

416861425979 is a deficient number, since it is larger than the sum of its proper divisors (1).

416861425979 is an equidigital number, since it uses as much as digits as its factorization.

416861425979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26127360, while the sum is 62.

The spelling of 416861425979 in words is "four hundred sixteen billion, eight hundred sixty-one million, four hundred twenty-five thousand, nine hundred seventy-nine".