1883728545 has 16 divisors (see below), whose sum is σ = 3016585152. Its totient is φ = 1003782080.

The previous prime is 1883728529. The next prime is 1883728549. The reversal of 1883728545 is 5458273881.

It is not a de Polignac number, because 1883728545 - 2⁴ = 1883728529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1883728549) 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, 36546 + ... + 71435.

It is an arithmetic number, because the mean of its divisors is an integer number (188536572).

Almost surely, 2^1883728545 is an apocalyptic number.

1883728545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1883728545 is a deficient number, since it is larger than the sum of its proper divisors (1132856607).

1883728545 is a wasteful number, since it uses less digits than its factorization.

1883728545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109152.

The product of its digits is 2150400, while the sum is 51.

The square root of 1883728545 is about 43401.9417192365. The cubic root of 1883728545 is about 1235.0165372293.

The spelling of 1883728545 in words is "one billion, eight hundred eighty-three million, seven hundred twenty-eight thousand, five hundred forty-five".