2649364428 has 24 divisors (see below), whose sum is σ = 6348928432. Its totient is φ = 859253184.

The previous prime is 2649364423. The next prime is 2649364493. The reversal of 2649364428 is 8244639462.

It is not an unprimeable number, because it can be changed into a prime (2649364423) 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, 2983075 + ... + 2983962.

Almost surely, 2^2649364428 is an apocalyptic number.

It is an amenable number.

2649364428 is an abundant number, since it is smaller than the sum of its proper divisors (3699564004).

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

2649364428 is a wasteful number, since it uses less digits than its factorization.

2649364428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967081 (or 5967079 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 48.

The square root of 2649364428 is about 51471.9771137655. The cubic root of 2649364428 is about 1383.7168630988.

The spelling of 2649364428 in words is "two billion, six hundred forty-nine million, three hundred sixty-four thousand, four hundred twenty-eight".