714397991 has 2 divisors, whose sum is σ = 714397992. Its totient is φ = 714397990.

The previous prime is 714397973. The next prime is 714398017. The reversal of 714397991 is 199793417.

It is a happy number.

714397991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 714397991 - 2²² = 710203687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (714397921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357198995 + 357198996.

It is an arithmetic number, because the mean of its divisors is an integer number (357198996).

Almost surely, 2^714397991 is an apocalyptic number.

714397991 is a deficient number, since it is larger than the sum of its proper divisors (1).

714397991 is an equidigital number, since it uses as much as digits as its factorization.

714397991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 50.

The square root of 714397991 is about 26728.2246136925. The cubic root of 714397991 is about 893.9503694336.

The spelling of 714397991 in words is "seven hundred fourteen million, three hundred ninety-seven thousand, nine hundred ninety-one".