2642513784 has 32 divisors (see below), whose sum is σ = 6699335040. Its totient is φ = 868431200.

The previous prime is 2642513773. The next prime is 2642513827. The reversal of 2642513784 is 4873152462.

2642513784 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 773682 + ... + 777089.

It is an arithmetic number, because the mean of its divisors is an integer number (209354220).

Almost surely, 2^2642513784 is an apocalyptic number.

2642513784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2642513784 is an abundant number, since it is smaller than the sum of its proper divisors (4056821256).

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

2642513784 is a wasteful number, since it uses less digits than its factorization.

2642513784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550851 (or 1550847 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 2642513784 is about 51405.3867216268. The cubic root of 2642513784 is about 1382.5231763220.

The spelling of 2642513784 in words is "two billion, six hundred forty-two million, five hundred thirteen thousand, seven hundred eighty-four".