2643929464 has 32 divisors (see below), whose sum is σ = 5410949040. Its totient is φ = 1201139200.

The previous prime is 2643929459. The next prime is 2643929479. The reversal of 2643929464 is 4649293462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181392 + ... + 195424.

Almost surely, 2^2643929464 is an apocalyptic number.

It is an amenable number.

2643929464 is an abundant number, since it is smaller than the sum of its proper divisors (2767019576).

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

2643929464 is a wasteful number, since it uses less digits than its factorization.

2643929464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16191 (or 16187 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 49.

The square root of 2643929464 is about 51419.1546410479. The cubic root of 2643929464 is about 1382.7700196891.

The spelling of 2643929464 in words is "two billion, six hundred forty-three million, nine hundred twenty-nine thousand, four hundred sixty-four".