2275385389 has 2 divisors, whose sum is σ = 2275385390. Its totient is φ = 2275385388.

The previous prime is 2275385311. The next prime is 2275385419. The reversal of 2275385389 is 9835835722.

2275385389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1776622500 + 498762889 = 42150^2 + 22333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2275385389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2275385309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1137692694 + 1137692695.

It is an arithmetic number, because the mean of its divisors is an integer number (1137692695).

Almost surely, 2^2275385389 is an apocalyptic number.

It is an amenable number.

2275385389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2275385389 is an equidigital number, since it uses as much as digits as its factorization.

2275385389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 52.

The square root of 2275385389 is about 47700.9998742165. Note that the first 3 decimals coincide. The cubic root of 2275385389 is about 1315.2803190224.

The spelling of 2275385389 in words is "two billion, two hundred seventy-five million, three hundred eighty-five thousand, three hundred eighty-nine".