2645633430 has 48 divisors (see below), whose sum is σ = 7503981264. Its totient is φ = 641365440.

The previous prime is 2645633429. The next prime is 2645633461. The reversal of 2645633430 is 343365462.

2645633430 is a `hidden beast` number, since 2 + 64 + 563 + 3 + 4 + 30 = 666.

2645633430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1335189 + ... + 1337168.

It is an arithmetic number, because the mean of its divisors is an integer number (156332943).

Almost surely, 2^2645633430 is an apocalyptic number.

2645633430 is an abundant number, since it is smaller than the sum of its proper divisors (4858347834).

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

2645633430 is a wasteful number, since it uses less digits than its factorization.

2645633430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672381 (or 2672378 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The square root of 2645633430 is about 51435.7213422734. The cubic root of 2645633430 is about 1383.0670128752.

Adding to 2645633430 its reverse (343365462), we get a palindrome (2988998892).

The spelling of 2645633430 in words is "two billion, six hundred forty-five million, six hundred thirty-three thousand, four hundred thirty".