2389572945 has 48 divisors (see below), whose sum is σ = 4190883840. Its totient is φ = 1259459712.

The previous prime is 2389572937. The next prime is 2389572953. The reversal of 2389572945 is 5492759832.

2389572945 is a `hidden beast` number, since 23 + 8 + 9 + 572 + 9 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (2389572937) and next prime (2389572953).

It is not a de Polignac number, because 2389572945 - 2³ = 2389572937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2389572891 and 2389572900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1810996 + ... + 1812314.

It is an arithmetic number, because the mean of its divisors is an integer number (87310080).

Almost surely, 2^2389572945 is an apocalyptic number.

It is an amenable number.

2389572945 is a deficient number, since it is larger than the sum of its proper divisors (1801310895).

2389572945 is a wasteful number, since it uses less digits than its factorization.

2389572945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1771 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 2389572945 is about 48883.2583304346. The cubic root of 2389572945 is about 1336.9241369921.

The spelling of 2389572945 in words is "two billion, three hundred eighty-nine million, five hundred seventy-two thousand, nine hundred forty-five".