1044664253 has 8 divisors (see below), whose sum is σ = 1095727872. Its totient is φ = 994802256.

The previous prime is 1044664249. The next prime is 1044664273. The reversal of 1044664253 is 3524664401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1044664253 - 2² = 1044664249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044664273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298625 + ... + 302102.

It is an arithmetic number, because the mean of its divisors is an integer number (136965984).

Almost surely, 2^1044664253 is an apocalyptic number.

It is an amenable number.

1044664253 is a deficient number, since it is larger than the sum of its proper divisors (51063619).

1044664253 is an equidigital number, since it uses as much as digits as its factorization.

1044664253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600811.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 1044664253 is about 32321.2662654173. The cubic root of 1044664253 is about 1014.6717707245.

The spelling of 1044664253 in words is "one billion, forty-four million, six hundred sixty-four thousand, two hundred fifty-three".