2044973745 has 24 divisors (see below), whose sum is σ = 3658966272. Its totient is φ = 1055469600.

The previous prime is 2044973729. The next prime is 2044973759. The reversal of 2044973745 is 5473794402.

It is not a de Polignac number, because 2044973745 - 2⁴ = 2044973729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2044973745.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 731571 + ... + 734360.

It is an arithmetic number, because the mean of its divisors is an integer number (152456928).

Almost surely, 2^2044973745 is an apocalyptic number.

It is an amenable number.

2044973745 is a deficient number, since it is larger than the sum of its proper divisors (1613992527).

2044973745 is a wasteful number, since it uses less digits than its factorization.

2044973745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465973 (or 1465970 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The square root of 2044973745 is about 45221.3859252456. The cubic root of 2044973745 is about 1269.2950279694.

The spelling of 2044973745 in words is "two billion, forty-four million, nine hundred seventy-three thousand, seven hundred forty-five".