2190143439 has 54 divisors (see below), whose sum is σ = 3694388880. Its totient is φ = 1249100160.

The previous prime is 2190143437. The next prime is 2190143441. The reversal of 2190143439 is 9343410912.

2190143439 is a `hidden beast` number, since 2 + 190 + 1 + 434 + 39 = 666.

It is an interprime number because it is at equal distance from previous prime (2190143437) and next prime (2190143441).

It is not a de Polignac number, because 2190143439 - 2¹ = 2190143437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190143437) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 311242 + ... + 318200.

Almost surely, 2^2190143439 is an apocalyptic number.

2190143439 is a deficient number, since it is larger than the sum of its proper divisors (1504245441).

2190143439 is a wasteful number, since it uses less digits than its factorization.

2190143439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021 (or 6990 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2190143439 is about 46798.9683540140. The cubic root of 2190143439 is about 1298.6462117920.

The spelling of 2190143439 in words is "two billion, one hundred ninety million, one hundred forty-three thousand, four hundred thirty-nine".