917449264923 has 128 divisors (see below), whose sum is σ = 1422006451200. Its totient is φ = 522423779328.

The previous prime is 917449264909. The next prime is 917449264987. The reversal of 917449264923 is 329462944719.

It is not a de Polignac number, because 917449264923 - 2²⁶ = 917382156059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (917449284923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1011520236 + ... + 1011521142.

It is an arithmetic number, because the mean of its divisors is an integer number (11109425400).

Almost surely, 2^917449264923 is an apocalyptic number.

917449264923 is a deficient number, since it is larger than the sum of its proper divisors (504557186277).

917449264923 is a wasteful number, since it uses less digits than its factorization.

917449264923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389.

The product of its digits is 23514624, while the sum is 60.

The spelling of 917449264923 in words is "nine hundred seventeen billion, four hundred forty-nine million, two hundred sixty-four thousand, nine hundred twenty-three".