719995386369 has 16 divisors (see below), whose sum is σ = 1097156538368. Its totient is φ = 411418168272.

The previous prime is 719995386337. The next prime is 719995386371. The reversal of 719995386369 is 963683599917.

It is not a de Polignac number, because 719995386369 - 2⁵ = 719995386337 is a prime.

It is a super-2 number, since 2×719995386369² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 719995386369.

It is not an unprimeable number, because it can be changed into a prime (719995386389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927834 + ... + 1516860.

It is an arithmetic number, because the mean of its divisors is an integer number (68572283648).

Almost surely, 2^719995386369 is an apocalyptic number.

It is an amenable number.

719995386369 is a deficient number, since it is larger than the sum of its proper divisors (377161151999).

719995386369 is a wasteful number, since it uses less digits than its factorization.

719995386369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647244.

The product of its digits is 595213920, while the sum is 75.

The spelling of 719995386369 in words is "seven hundred nineteen billion, nine hundred ninety-five million, three hundred eighty-six thousand, three hundred sixty-nine".