2125645432 has 8 divisors (see below), whose sum is σ = 3985585200. Its totient is φ = 1062822712.

The previous prime is 2125645429. The next prime is 2125645477. The reversal of 2125645432 is 2345465212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132852832 + ... + 132852847.

It is an arithmetic number, because the mean of its divisors is an integer number (498198150).

Almost surely, 2^2125645432 is an apocalyptic number.

It is an amenable number.

2125645432 is a deficient number, since it is larger than the sum of its proper divisors (1859939768).

2125645432 is a wasteful number, since it uses less digits than its factorization.

2125645432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265705685 (or 265705681 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 2125645432 is about 46104.7224479228. The cubic root of 2125645432 is about 1285.7709458722.

The spelling of 2125645432 in words is "two billion, one hundred twenty-five million, six hundred forty-five thousand, four hundred thirty-two".