916312673 has 4 divisors (see below), whose sum is σ = 919259328. Its totient is φ = 913366020.

The previous prime is 916312637. The next prime is 916312687. The reversal of 916312673 is 376213619.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 376213619 = 3329 ⋅113011.

It is a cyclic number.

It is not a de Polignac number, because 916312673 - 2²⁴ = 899535457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916312633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472861 + ... + 1473482.

It is an arithmetic number, because the mean of its divisors is an integer number (229814832).

Almost surely, 2^916312673 is an apocalyptic number.

It is an amenable number.

916312673 is a deficient number, since it is larger than the sum of its proper divisors (2946655).

916312673 is a wasteful number, since it uses less digits than its factorization.

916312673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946654.

The product of its digits is 40824, while the sum is 38.

The square root of 916312673 is about 30270.6569634688. The cubic root of 916312673 is about 971.2877193613.

The spelling of 916312673 in words is "nine hundred sixteen million, three hundred twelve thousand, six hundred seventy-three".