716281919 has 2 divisors, whose sum is σ = 716281920. Its totient is φ = 716281918.

The previous prime is 716281903. The next prime is 716281957. The reversal of 716281919 is 919182617.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 716281919 - 2⁴ = 716281903 is a prime.

It is a super-2 number, since 2×716281919² = 1026119574972645122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 716281919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716181919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358140959 + 358140960.

It is an arithmetic number, because the mean of its divisors is an integer number (358140960).

Almost surely, 2^716281919 is an apocalyptic number.

716281919 is a deficient number, since it is larger than the sum of its proper divisors (1).

716281919 is an equidigital number, since it uses as much as digits as its factorization.

716281919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 44.

The square root of 716281919 is about 26763.4437059210. The cubic root of 716281919 is about 894.7354873057.

The spelling of 716281919 in words is "seven hundred sixteen million, two hundred eighty-one thousand, nine hundred nineteen".