2645641100 has 18 divisors (see below), whose sum is σ = 5741041404. Its totient is φ = 1058256400.

The previous prime is 2645641067. The next prime is 2645641109. The reversal of 2645641100 is 11465462.

2645641100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2645641109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13228106 + ... + 13228305.

Almost surely, 2^2645641100 is an apocalyptic number.

2645641100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2645641100 is an abundant number, since it is smaller than the sum of its proper divisors (3095400304).

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

2645641100 is a wasteful number, since it uses less digits than its factorization.

2645641100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26456425 (or 26456418 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2645641100 is about 51435.7959012982. The cubic root of 2645641100 is about 1383.0683494314.

The spelling of 2645641100 in words is "two billion, six hundred forty-five million, six hundred forty-one thousand, one hundred".