421034715719 has 2 divisors, whose sum is σ = 421034715720. Its totient is φ = 421034715718.

The previous prime is 421034715697. The next prime is 421034715743. The reversal of 421034715719 is 917517430124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421034715719 - 2⁸ = 421034715463 is a prime.

It is a super-2 number, since 2×421034715719² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421034715719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421034715019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210517357859 + 210517357860.

It is an arithmetic number, because the mean of its divisors is an integer number (210517357860).

Almost surely, 2^421034715719 is an apocalyptic number.

421034715719 is a deficient number, since it is larger than the sum of its proper divisors (1).

421034715719 is an equidigital number, since it uses as much as digits as its factorization.

421034715719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 421034715719 in words is "four hundred twenty-one billion, thirty-four million, seven hundred fifteen thousand, seven hundred nineteen".