2045894053 has 24 divisors (see below), whose sum is σ = 2493951552. Its totient is φ = 1638384384.

The previous prime is 2045894029. The next prime is 2045894063. The reversal of 2045894053 is 3504985402.

It is not a de Polignac number, because 2045894053 - 2⁹ = 2045893541 is a prime.

It is a super-2 number, since 2×2045894053² = 8371364952201533618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045893997 and 2045894015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045894063) 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, 4618050 + ... + 4618492.

It is an arithmetic number, because the mean of its divisors is an integer number (103914648).

Almost surely, 2^2045894053 is an apocalyptic number.

It is an amenable number.

2045894053 is a deficient number, since it is larger than the sum of its proper divisors (448057499).

2045894053 is an equidigital number, since it uses as much as digits as its factorization.

2045894053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 2045894053 is about 45231.5603644181. The cubic root of 2045894053 is about 1269.4854081117.

The spelling of 2045894053 in words is "two billion, forty-five million, eight hundred ninety-four thousand, fifty-three".