2142299943 has 36 divisors (see below), whose sum is σ = 3618065880. Its totient is φ = 1217907936.

The previous prime is 2142299941. The next prime is 2142299983. The reversal of 2142299943 is 3499922412.

It is not a de Polignac number, because 2142299943 - 2¹ = 2142299941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142299941) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 74548 + ... + 99206.

It is an arithmetic number, because the mean of its divisors is an integer number (100501830).

Almost surely, 2^2142299943 is an apocalyptic number.

2142299943 is a deficient number, since it is larger than the sum of its proper divisors (1475765937).

2142299943 is a wasteful number, since it uses less digits than its factorization.

2142299943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24876 (or 24866 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 2142299943 is about 46284.9861510188. The cubic root of 2142299943 is about 1289.1202348321.

The spelling of 2142299943 in words is "two billion, one hundred forty-two million, two hundred ninety-nine thousand, nine hundred forty-three".