420488136372907 has 2 divisors, whose sum is σ = 420488136372908. Its totient is φ = 420488136372906.

The previous prime is 420488136372797. The next prime is 420488136372911. The reversal of 420488136372907 is 709273631884024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420488136372907 - 2²³ = 420488127984299 is a prime.

It is not a weakly prime, because it can be changed into another prime (420488136322907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210244068186453 + 210244068186454.

It is an arithmetic number, because the mean of its divisors is an integer number (210244068186454).

Almost surely, 2^{420488136372907} is an apocalyptic number.

420488136372907 is a deficient number, since it is larger than the sum of its proper divisors (1).

420488136372907 is an equidigital number, since it uses as much as digits as its factorization.

420488136372907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 420488136372907 in words is "four hundred twenty trillion, four hundred eighty-eight billion, one hundred thirty-six million, three hundred seventy-two thousand, nine hundred seven".