314681863 has 2 divisors, whose sum is σ = 314681864. Its totient is φ = 314681862.

The previous prime is 314681777. The next prime is 314681897. The reversal of 314681863 is 368186413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314681863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314681663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157340931 + 157340932.

It is an arithmetic number, because the mean of its divisors is an integer number (157340932).

Almost surely, 2^314681863 is an apocalyptic number.

314681863 is a deficient number, since it is larger than the sum of its proper divisors (1).

314681863 is an equidigital number, since it uses as much as digits as its factorization.

314681863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 314681863 is about 17739.2745905801. The cubic root of 314681863 is about 680.1800726966.

The spelling of 314681863 in words is "three hundred fourteen million, six hundred eighty-one thousand, eight hundred sixty-three".