2643500004 has 12 divisors (see below), whose sum is σ = 6168166704. Its totient is φ = 881166664.

The previous prime is 2643499981. The next prime is 2643500021. The reversal of 2643500004 is 4000053462.

2643500004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2643500004² = 13976184542296000032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110145822 + ... + 110145845.

It is an arithmetic number, because the mean of its divisors is an integer number (514013892).

Almost surely, 2^2643500004 is an apocalyptic number.

It is an amenable number.

2643500004 is an abundant number, since it is smaller than the sum of its proper divisors (3524666700).

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

2643500004 is a wasteful number, since it uses less digits than its factorization.

2643500004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220291674 (or 220291672 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2643500004 is about 51414.9784012402. The cubic root of 2643500004 is about 1382.6951467173.

Adding to 2643500004 its reverse (4000053462), we get a palindrome (6643553466).

The spelling of 2643500004 in words is "two billion, six hundred forty-three million, five hundred thousand, four".