916514689 has 2 divisors, whose sum is σ = 916514690. Its totient is φ = 916514688.

The previous prime is 916514681. The next prime is 916514701. The reversal of 916514689 is 986415619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 676884289 + 239630400 = 26017^2 + 15480^2 .

It is a cyclic number.

It is not a de Polignac number, because 916514689 - 2³ = 916514681 is a prime.

It is not a weakly prime, because it can be changed into another prime (916514681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458257344 + 458257345.

It is an arithmetic number, because the mean of its divisors is an integer number (458257345).

Almost surely, 2^916514689 is an apocalyptic number.

It is an amenable number.

916514689 is a deficient number, since it is larger than the sum of its proper divisors (1).

916514689 is an equidigital number, since it uses as much as digits as its factorization.

916514689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 49.

The square root of 916514689 is about 30273.9936083762. The cubic root of 916514689 is about 971.3590928301.

The spelling of 916514689 in words is "nine hundred sixteen million, five hundred fourteen thousand, six hundred eighty-nine".