916969619 has 2 divisors, whose sum is σ = 916969620. Its totient is φ = 916969618.

The previous prime is 916969609. The next prime is 916969639.

916969619 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 916969619 - 2¹⁶ = 916904083 is a prime.

It is a super-2 number, since 2×916969619² = 1681666564338010322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (916969609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458484809 + 458484810.

It is an arithmetic number, because the mean of its divisors is an integer number (458484810).

Almost surely, 2^916969619 is an apocalyptic number.

916969619 is a deficient number, since it is larger than the sum of its proper divisors (1).

916969619 is an equidigital number, since it uses as much as digits as its factorization.

916969619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1417176, while the sum is 56.

The square root of 916969619 is about 30281.5062207942. The cubic root of 916969619 is about 971.5197839433.

The spelling of 916969619 in words is "nine hundred sixteen million, nine hundred sixty-nine thousand, six hundred nineteen".