719878754269231 has 2 divisors, whose sum is σ = 719878754269232. Its totient is φ = 719878754269230.

The previous prime is 719878754269177. The next prime is 719878754269289. The reversal of 719878754269231 is 132962457878917.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-719878754269231 is a prime.

It is a super-2 number, since 2×719878754269231² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (719878751269231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359939377134615 + 359939377134616.

It is an arithmetic number, because the mean of its divisors is an integer number (359939377134616).

Almost surely, 2^{719878754269231} is an apocalyptic number.

719878754269231 is a deficient number, since it is larger than the sum of its proper divisors (1).

719878754269231 is an equidigital number, since it uses as much as digits as its factorization.

719878754269231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2560481280, while the sum is 79.

The spelling of 719878754269231 in words is "seven hundred nineteen trillion, eight hundred seventy-eight billion, seven hundred fifty-four million, two hundred sixty-nine thousand, two hundred thirty-one".