916447744619 has 4 divisors (see below), whose sum is σ = 999761175960. Its totient is φ = 833134313280.

The previous prime is 916447744609. The next prime is 916447744669.

916447744619 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 916447744619 - 2³² = 912152777323 is a prime.

It is a super-2 number, since 2×916447744619² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916447744609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41656715654 + ... + 41656715675.

It is an arithmetic number, because the mean of its divisors is an integer number (249940293990).

Almost surely, 2^916447744619 is an apocalyptic number.

916447744619 is a deficient number, since it is larger than the sum of its proper divisors (83313431341).

916447744619 is a wasteful number, since it uses less digits than its factorization.

916447744619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83313431340.

The product of its digits is 36578304, while the sum is 62.

The spelling of 916447744619 in words is "nine hundred sixteen billion, four hundred forty-seven million, seven hundred forty-four thousand, six hundred nineteen".