630142039 has 2 divisors, whose sum is σ = 630142040. Its totient is φ = 630142038.

The previous prime is 630142013. The next prime is 630142103. The reversal of 630142039 is 930241036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630142039 - 2⁹ = 630141527 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 630141998 and 630142016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630112039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315071019 + 315071020.

It is an arithmetic number, because the mean of its divisors is an integer number (315071020).

Almost surely, 2^630142039 is an apocalyptic number.

630142039 is a deficient number, since it is larger than the sum of its proper divisors (1).

630142039 is an equidigital number, since it uses as much as digits as its factorization.

630142039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 630142039 is about 25102.6301211646. The cubic root of 630142039 is about 857.3263091157.

The spelling of 630142039 in words is "six hundred thirty million, one hundred forty-two thousand, thirty-nine".