722437665319 has 2 divisors, whose sum is σ = 722437665320. Its totient is φ = 722437665318.

The previous prime is 722437665259. The next prime is 722437665329. The reversal of 722437665319 is 913566734227.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 722437665319 - 2¹⁵ = 722437632551 is a prime.

It is a super-2 number, since 2×722437665319² (a number of 25 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 722437665319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722437665329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361218832659 + 361218832660.

It is an arithmetic number, because the mean of its divisors is an integer number (361218832660).

Almost surely, 2^722437665319 is an apocalyptic number.

722437665319 is a deficient number, since it is larger than the sum of its proper divisors (1).

722437665319 is an equidigital number, since it uses as much as digits as its factorization.

722437665319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11430720, while the sum is 55.

The spelling of 722437665319 in words is "seven hundred twenty-two billion, four hundred thirty-seven million, six hundred sixty-five thousand, three hundred nineteen".