320496919 has 2 divisors, whose sum is σ = 320496920. Its totient is φ = 320496918.

The previous prime is 320496853. The next prime is 320496929. The reversal of 320496919 is 919694023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320496919 - 2¹¹ = 320494871 is a prime.

It is a super-2 number, since 2×320496919² = 205436550176985122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320496929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160248459 + 160248460.

It is an arithmetic number, because the mean of its divisors is an integer number (160248460).

Almost surely, 2^320496919 is an apocalyptic number.

320496919 is a deficient number, since it is larger than the sum of its proper divisors (1).

320496919 is an equidigital number, since it uses as much as digits as its factorization.

320496919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 320496919 is about 17902.4277403932. The cubic root of 320496919 is about 684.3442453712.

The spelling of 320496919 in words is "three hundred twenty million, four hundred ninety-six thousand, nine hundred nineteen".