2045660481841 has 16 divisors (see below), whose sum is σ = 2119838515200. Its totient is φ = 1972860493968.

The previous prime is 2045660481833. The next prime is 2045660481853. The reversal of 2045660481841 is 1481840665402.

It is a cyclic number.

It is not a de Polignac number, because 2045660481841 - 2³ = 2045660481833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045660481881) 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, 1319980 + ... + 2415298.

It is an arithmetic number, because the mean of its divisors is an integer number (132489907200).

Almost surely, 2^{2045660481841} is an apocalyptic number.

It is an amenable number.

2045660481841 is a deficient number, since it is larger than the sum of its proper divisors (74178033359).

2045660481841 is a wasteful number, since it uses less digits than its factorization.

2045660481841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095948.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 2045660481841 in words is "two trillion, forty-five billion, six hundred sixty million, four hundred eighty-one thousand, eight hundred forty-one".