2643605104 has 40 divisors (see below), whose sum is σ = 6042533888. Its totient is φ = 1096424640.

The previous prime is 2643605089. The next prime is 2643605141. The reversal of 2643605104 is 4015063462.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377232 + ... + 384175.

Almost surely, 2^2643605104 is an apocalyptic number.

It is an amenable number.

2643605104 is an abundant number, since it is smaller than the sum of its proper divisors (3398928784).

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

2643605104 is a wasteful number, since it uses less digits than its factorization.

2643605104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761453 (or 761447 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 2643605104 is about 51416.0004667808. Note that the first 3 decimals coincide. The cubic root of 2643605104 is about 1382.7134708247.

Adding to 2643605104 its reverse (4015063462), we get a palindrome (6658668566).

The spelling of 2643605104 in words is "two billion, six hundred forty-three million, six hundred five thousand, one hundred four".