42860937839 has 2 divisors, whose sum is σ = 42860937840. Its totient is φ = 42860937838.

The previous prime is 42860937811. The next prime is 42860937887. The reversal of 42860937839 is 93873906824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42860937839 - 2¹⁶ = 42860872303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42860937739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21430468919 + 21430468920.

It is an arithmetic number, because the mean of its divisors is an integer number (21430468920).

Almost surely, 2^42860937839 is an apocalyptic number.

42860937839 is a deficient number, since it is larger than the sum of its proper divisors (1).

42860937839 is an equidigital number, since it uses as much as digits as its factorization.

42860937839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 42860937839 in words is "forty-two billion, eight hundred sixty million, nine hundred thirty-seven thousand, eight hundred thirty-nine".