42499035253 has 4 divisors (see below), whose sum is σ = 43133349280. Its totient is φ = 41864721228.

The previous prime is 42499035239. The next prime is 42499035263. The reversal of 42499035253 is 35253099424.

42499035253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42499035253 - 2⁹ = 42499034741 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317156913 + ... + 317157046.

It is an arithmetic number, because the mean of its divisors is an integer number (10783337320).

Almost surely, 2^42499035253 is an apocalyptic number.

It is an amenable number.

42499035253 is a deficient number, since it is larger than the sum of its proper divisors (634314027).

42499035253 is an equidigital number, since it uses as much as digits as its factorization.

42499035253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634314026.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 42499035253 in words is "forty-two billion, four hundred ninety-nine million, thirty-five thousand, two hundred fifty-three".