320144625304499 has 2 divisors, whose sum is σ = 320144625304500. Its totient is φ = 320144625304498.

The previous prime is 320144625304487. The next prime is 320144625304549. The reversal of 320144625304499 is 994403526441023.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320144625304499 is a prime.

It is a super-2 number, since 2×320144625304499² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320144625304409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160072312652249 + 160072312652250.

It is an arithmetic number, because the mean of its divisors is an integer number (160072312652250).

Almost surely, 2^{320144625304499} is an apocalyptic number.

320144625304499 is a deficient number, since it is larger than the sum of its proper divisors (1).

320144625304499 is an equidigital number, since it uses as much as digits as its factorization.

320144625304499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 56.

The spelling of 320144625304499 in words is "three hundred twenty trillion, one hundred forty-four billion, six hundred twenty-five million, three hundred four thousand, four hundred ninety-nine".