472509251719 has 2 divisors, whose sum is σ = 472509251720. Its totient is φ = 472509251718.

The previous prime is 472509251653. The next prime is 472509251749. The reversal of 472509251719 is 917152905274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472509251719 is a prime.

It is a super-2 number, since 2×472509251719² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472509251749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236254625859 + 236254625860.

It is an arithmetic number, because the mean of its divisors is an integer number (236254625860).

Almost surely, 2^472509251719 is an apocalyptic number.

472509251719 is a deficient number, since it is larger than the sum of its proper divisors (1).

472509251719 is an equidigital number, since it uses as much as digits as its factorization.

472509251719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 472509251719 in words is "four hundred seventy-two billion, five hundred nine million, two hundred fifty-one thousand, seven hundred nineteen".