2143502099 has 16 divisors (see below), whose sum is σ = 2275983360. Its totient is φ = 2015400000.

The previous prime is 2143502087. The next prime is 2143502129. The reversal of 2143502099 is 9902053412.

It is a cyclic number.

It is not a de Polignac number, because 2143502099 - 2¹² = 2143498003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143502029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315662 + ... + 322380.

It is an arithmetic number, because the mean of its divisors is an integer number (142248960).

Almost surely, 2^2143502099 is an apocalyptic number.

2143502099 is a deficient number, since it is larger than the sum of its proper divisors (132481261).

2143502099 is a wasteful number, since it uses less digits than its factorization.

2143502099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2143502099 is about 46297.9707870658. The cubic root of 2143502099 is about 1289.3613205623.

The spelling of 2143502099 in words is "two billion, one hundred forty-three million, five hundred two thousand, ninety-nine".