2091448264 has 32 divisors (see below), whose sum is σ = 4002939000. Its totient is φ = 1024072192.

The previous prime is 2091448231. The next prime is 2091448277. The reversal of 2091448264 is 4628441902.

It can be written as a sum of positive squares in 4 ways, for example, as 1628768164 + 462680100 = 40358^2 + 21510^2 .

It is a super-2 number, since 2×2091448264² = 8748311681977227392, 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, 236922 + ... + 245590.

Almost surely, 2^2091448264 is an apocalyptic number.

It is an amenable number.

2091448264 is a deficient number, since it is larger than the sum of its proper divisors (1911490736).

2091448264 is a wasteful number, since it uses less digits than its factorization.

2091448264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297 (or 9293 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 2091448264 is about 45732.3546736881. The cubic root of 2091448264 is about 1278.8385183216.

The spelling of 2091448264 in words is "two billion, ninety-one million, four hundred forty-eight thousand, two hundred sixty-four".