42499035207 has 24 divisors (see below), whose sum is σ = 63736049104. Its totient is φ = 28299336768.

The previous prime is 42499035203. The next prime is 42499035239. The reversal of 42499035207 is 70253099424.

It is not a de Polignac number, because 42499035207 - 2² = 42499035203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42499035203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104763 + ... + 309795.

Almost surely, 2^42499035207 is an apocalyptic number.

42499035207 is a deficient number, since it is larger than the sum of its proper divisors (21237013897).

42499035207 is an equidigital number, since it uses as much as digits as its factorization.

42499035207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205901 (or 205889 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 42499035207 in words is "forty-two billion, four hundred ninety-nine million, thirty-five thousand, two hundred seven".