320872799519 has 2 divisors, whose sum is σ = 320872799520. Its totient is φ = 320872799518.

The previous prime is 320872799479. The next prime is 320872799521. The reversal of 320872799519 is 915997278023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320872799519 - 2³² = 316577832223 is a prime.

It is a super-2 number, since 2×320872799519² (a number of 24 digits) contains 22 as substring.

Together with 320872799521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320872799549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160436399759 + 160436399760.

It is an arithmetic number, because the mean of its divisors is an integer number (160436399760).

Almost surely, 2^320872799519 is an apocalyptic number.

320872799519 is a deficient number, since it is larger than the sum of its proper divisors (1).

320872799519 is an equidigital number, since it uses as much as digits as its factorization.

320872799519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 320872799519 in words is "three hundred twenty billion, eight hundred seventy-two million, seven hundred ninety-nine thousand, five hundred nineteen".