2099556594 has 12 divisors (see below), whose sum is σ = 4549039326. Its totient is φ = 699852192.

The previous prime is 2099556523. The next prime is 2099556607. The reversal of 2099556594 is 4956559902.

It can be written as a sum of positive squares in only one way, i.e., 1367150625 + 732405969 = 36975^2 + 27063^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2099556594.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58320999 + ... + 58321034.

Almost surely, 2^2099556594 is an apocalyptic number.

2099556594 is an abundant number, since it is smaller than the sum of its proper divisors (2449482732).

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

2099556594 is a wasteful number, since it uses less digits than its factorization.

2099556594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116642041 (or 116642038 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The square root of 2099556594 is about 45820.9187380611. The cubic root of 2099556594 is about 1280.4890290424.

The spelling of 2099556594 in words is "two billion, ninety-nine million, five hundred fifty-six thousand, five hundred ninety-four".