2142030439 has 2 divisors, whose sum is σ = 2142030440. Its totient is φ = 2142030438.

The previous prime is 2142030431. The next prime is 2142030461. The reversal of 2142030439 is 9340302412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142030439 - 2³ = 2142030431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142030431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071015219 + 1071015220.

It is an arithmetic number, because the mean of its divisors is an integer number (1071015220).

Almost surely, 2^2142030439 is an apocalyptic number.

2142030439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142030439 is an equidigital number, since it uses as much as digits as its factorization.

2142030439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2142030439 is about 46282.0747050086. The cubic root of 2142030439 is about 1289.0661749216.

The spelling of 2142030439 in words is "two billion, one hundred forty-two million, thirty thousand, four hundred thirty-nine".