2147319568 has 40 divisors (see below), whose sum is σ = 4377141720. Its totient is φ = 1019151360.

The previous prime is 2147319557. The next prime is 2147319571. The reversal of 2147319568 is 8659137412.

It can be written as a sum of positive squares in 4 ways, for example, as 690217984 + 1457101584 = 26272^2 + 38172^2 .

It is a super-2 number, since 2×2147319568² = 9221962654231413248, which contains 22 as substring.

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, 19963 + ... + 68506.

It is an arithmetic number, because the mean of its divisors is an integer number (109428543).

Almost surely, 2^2147319568 is an apocalyptic number.

It is an amenable number.

2147319568 is an abundant number, since it is smaller than the sum of its proper divisors (2229822152).

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

2147319568 is a wasteful number, since it uses less digits than its factorization.

2147319568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88555 (or 88549 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 2147319568 is about 46339.1796215686. The cubic root of 2147319568 is about 1290.1262957493.

It can be divided in two parts, 21473 and 19568, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 2147319568 in words is "two billion, one hundred forty-seven million, three hundred nineteen thousand, five hundred sixty-eight".