42499035239 has 2 divisors, whose sum is σ = 42499035240. Its totient is φ = 42499035238.

The previous prime is 42499035203. The next prime is 42499035263. The reversal of 42499035239 is 93253099424.

It is a happy number.

42499035239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42499035239 - 2¹² = 42499031143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42499095239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21249517619 + 21249517620.

It is an arithmetic number, because the mean of its divisors is an integer number (21249517620).

Almost surely, 2^42499035239 is an apocalyptic number.

42499035239 is a deficient number, since it is larger than the sum of its proper divisors (1).

42499035239 is an equidigital number, since it uses as much as digits as its factorization.

42499035239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 42499035239 in words is "forty-two billion, four hundred ninety-nine million, thirty-five thousand, two hundred thirty-nine".