2643054100 has 18 divisors (see below), whose sum is σ = 5735427614. Its totient is φ = 1057221600.

The previous prime is 2643054059. The next prime is 2643054103. The reversal of 2643054100 is 14503462.

It can be written as a sum of positive squares in 3 ways, for example, as 1710864 + 2641343236 = 1308^2 + 51394^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643054103) 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, 13215171 + ... + 13215370.

Almost surely, 2^2643054100 is an apocalyptic number.

2643054100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2643054100 is an abundant number, since it is smaller than the sum of its proper divisors (3092373514).

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

2643054100 is a wasteful number, since it uses less digits than its factorization.

2643054100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26430555 (or 26430548 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2643054100 is about 51410.6418944561. The cubic root of 2643054100 is about 1382.6173982821.

Adding to 2643054100 its reverse (14503462), we get a palindrome (2657557562).

The spelling of 2643054100 in words is "two billion, six hundred forty-three million, fifty-four thousand, one hundred".