2143092869 has 4 divisors (see below), whose sum is σ = 2159967744. Its totient is φ = 2126217996.

The previous prime is 2143092863. The next prime is 2143092871. The reversal of 2143092869 is 9682903412.

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 a de Polignac number, because none of the positive numbers 2^k-2143092869 is a prime.

It is a super-2 number, since 2×2143092869² = 9185694090317302322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143092863) 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, 8437247 + ... + 8437500.

It is an arithmetic number, because the mean of its divisors is an integer number (539991936).

Almost surely, 2^2143092869 is an apocalyptic number.

It is an amenable number.

2143092869 is a deficient number, since it is larger than the sum of its proper divisors (16874875).

2143092869 is a wasteful number, since it uses less digits than its factorization.

2143092869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16874874.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2143092869 is about 46293.5510519554. The cubic root of 2143092869 is about 1289.2792618735.

The spelling of 2143092869 in words is "two billion, one hundred forty-three million, ninety-two thousand, eight hundred sixty-nine".