2945463888 has 20 divisors (see below), whose sum is σ = 7609115168. Its totient is φ = 981821280.

The previous prime is 2945463869. The next prime is 2945463889. The reversal of 2945463888 is 8883645492.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945463889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30681868 + ... + 30681963.

Almost surely, 2^2945463888 is an apocalyptic number.

It is an amenable number.

2945463888 is an abundant number, since it is smaller than the sum of its proper divisors (4663651280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2945463888 is a wasteful number, since it uses less digits than its factorization.

2945463888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61363842 (or 61363836 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 57.

The square root of 2945463888 is about 54272.1280953677. The cubic root of 2945463888 is about 1433.4566625206.

The spelling of 2945463888 in words is "two billion, nine hundred forty-five million, four hundred sixty-three thousand, eight hundred eighty-eight".