1144696917 has 64 divisors (see below), whose sum is σ = 1986969600. Its totient is φ = 569894400.

The previous prime is 1144696877. The next prime is 1144696919. The reversal of 1144696917 is 7196964411.

It is not a de Polignac number, because 1144696917 - 2⁷ = 1144696789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144696919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 345334 + ... + 348632.

It is an arithmetic number, because the mean of its divisors is an integer number (31046400).

Almost surely, 2^1144696917 is an apocalyptic number.

It is an amenable number.

1144696917 is a deficient number, since it is larger than the sum of its proper divisors (842272683).

1144696917 is a wasteful number, since it uses less digits than its factorization.

1144696917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3394.

The product of its digits is 326592, while the sum is 48.

The square root of 1144696917 is about 33833.3698735435. The cubic root of 1144696917 is about 1046.0766410409.

The spelling of 1144696917 in words is "one billion, one hundred forty-four million, six hundred ninety-six thousand, nine hundred seventeen".