2645643350 has 24 divisors (see below), whose sum is σ = 5623882608. Its totient is φ = 907077600.

The previous prime is 2645643337. The next prime is 2645643359. The reversal of 2645643350 is 533465462.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645643359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3779141 + ... + 3779840.

It is an arithmetic number, because the mean of its divisors is an integer number (234328442).

Almost surely, 2^2645643350 is an apocalyptic number.

2645643350 is an abundant number, since it is smaller than the sum of its proper divisors (2978239258).

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

2645643350 is a wasteful number, since it uses less digits than its factorization.

2645643350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559000 (or 7558995 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The square root of 2645643350 is about 51435.8177732210. The cubic root of 2645643350 is about 1383.0687415107.

The spelling of 2645643350 in words is "two billion, six hundred forty-five million, six hundred forty-three thousand, three hundred fifty".