1044534621 has 16 divisors (see below), whose sum is σ = 1588071744. Its totient is φ = 604978944.

The previous prime is 1044534619. The next prime is 1044534637. The reversal of 1044534621 is 1264354401.

It is not a de Polignac number, because 1044534621 - 2¹ = 1044534619 is a prime.

It is a super-2 number, since 2×1044534621² = 2182105148935227282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044534641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787071 + ... + 788396.

It is an arithmetic number, because the mean of its divisors is an integer number (99254484).

Almost surely, 2^1044534621 is an apocalyptic number.

It is an amenable number.

1044534621 is a deficient number, since it is larger than the sum of its proper divisors (543537123).

1044534621 is a wasteful number, since it uses less digits than its factorization.

1044534621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575500.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1044534621 is about 32319.2608362258. The cubic root of 1044534621 is about 1014.6297989070.

The spelling of 1044534621 in words is "one billion, forty-four million, five hundred thirty-four thousand, six hundred twenty-one".