916455439 has 2 divisors, whose sum is σ = 916455440. Its totient is φ = 916455438.

The previous prime is 916455409. The next prime is 916455451. The reversal of 916455439 is 934554619.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-916455439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916455409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458227719 + 458227720.

It is an arithmetic number, because the mean of its divisors is an integer number (458227720).

Almost surely, 2^916455439 is an apocalyptic number.

916455439 is a deficient number, since it is larger than the sum of its proper divisors (1).

916455439 is an equidigital number, since it uses as much as digits as its factorization.

916455439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 46.

The square root of 916455439 is about 30273.0150298909. The cubic root of 916455439 is about 971.3381605355.

The spelling of 916455439 in words is "nine hundred sixteen million, four hundred fifty-five thousand, four hundred thirty-nine".