314563819 has 2 divisors, whose sum is σ = 314563820. Its totient is φ = 314563818.

The previous prime is 314563807. The next prime is 314563871. The reversal of 314563819 is 918365413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 314563819 - 2²¹ = 312466667 is a prime.

It is a super-2 number, since 2×314563819² = 197900792447729522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (314563889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157281909 + 157281910.

It is an arithmetic number, because the mean of its divisors is an integer number (157281910).

Almost surely, 2^314563819 is an apocalyptic number.

314563819 is a deficient number, since it is larger than the sum of its proper divisors (1).

314563819 is an equidigital number, since it uses as much as digits as its factorization.

314563819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 314563819 is about 17735.9470849459. The cubic root of 314563819 is about 680.0950119547.

The spelling of 314563819 in words is "three hundred fourteen million, five hundred sixty-three thousand, eight hundred nineteen".