1044542613 has 24 divisors (see below), whose sum is σ = 1514920800. Its totient is φ = 638396640.

The previous prime is 1044542593. The next prime is 1044542641. The reversal of 1044542613 is 3162454401.

1044542613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1044542613 - 2⁸ = 1044542357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044542693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45243 + ... + 64311.

It is an arithmetic number, because the mean of its divisors is an integer number (63121700).

Almost surely, 2^1044542613 is an apocalyptic number.

It is an amenable number.

1044542613 is a deficient number, since it is larger than the sum of its proper divisors (470378187).

1044542613 is a wasteful number, since it uses less digits than its factorization.

1044542613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19153 (or 19122 counting only the distinct ones).

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

The square root of 1044542613 is about 32319.3844774309. The cubic root of 1044542613 is about 1014.6323866306.

The spelling of 1044542613 in words is "one billion, forty-four million, five hundred forty-two thousand, six hundred thirteen".