2099815201 has 4 divisors (see below), whose sum is σ = 2290707504. Its totient is φ = 1908922900.

The previous prime is 2099815177. The next prime is 2099815217. The reversal of 2099815201 is 1025189902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2099815201 - 2⁷ = 2099815073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099815801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95446135 + ... + 95446156.

It is an arithmetic number, because the mean of its divisors is an integer number (572676876).

Almost surely, 2^2099815201 is an apocalyptic number.

It is an amenable number.

2099815201 is a deficient number, since it is larger than the sum of its proper divisors (190892303).

2099815201 is a wasteful number, since it uses less digits than its factorization.

2099815201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190892302.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 2099815201 is about 45823.7405828027. The cubic root of 2099815201 is about 1280.5416004333.

The spelling of 2099815201 in words is "two billion, ninety-nine million, eight hundred fifteen thousand, two hundred one".