2945493664 has 48 divisors (see below), whose sum is σ = 5901638400. Its totient is φ = 1446787584.

The previous prime is 2945493659. The next prime is 2945493667. The reversal of 2945493664 is 4663945492.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2945493667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875217 + ... + 878575.

It is an arithmetic number, because the mean of its divisors is an integer number (122950800).

Almost surely, 2^2945493664 is an apocalyptic number.

It is an amenable number.

2945493664 is an abundant number, since it is smaller than the sum of its proper divisors (2956144736).

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

2945493664 is a wasteful number, since it uses less digits than its factorization.

2945493664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845 (or 3837 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 52.

The square root of 2945493664 is about 54272.4024159609. The cubic root of 2945493664 is about 1433.4614928251.

The spelling of 2945493664 in words is "two billion, nine hundred forty-five million, four hundred ninety-three thousand, six hundred sixty-four".