2619387872 has 12 divisors (see below), whose sum is σ = 5156919936. Its totient is φ = 1309693920.

The previous prime is 2619387857. The next prime is 2619387917. The reversal of 2619387872 is 2787839162.

It is a super-2 number, since 2×2619387872² = 13722385647961376768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40927904 + ... + 40927967.

It is an arithmetic number, because the mean of its divisors is an integer number (429743328).

Almost surely, 2^2619387872 is an apocalyptic number.

It is an amenable number.

2619387872 is a deficient number, since it is larger than the sum of its proper divisors (2537532064).

2619387872 is an equidigital number, since it uses as much as digits as its factorization.

2619387872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81855881 (or 81855873 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The square root of 2619387872 is about 51179.9557639512. The cubic root of 2619387872 is about 1378.4783114900.

The spelling of 2619387872 in words is "two billion, six hundred nineteen million, three hundred eighty-seven thousand, eight hundred seventy-two".