42509253910 has 8 divisors (see below), whose sum is σ = 76516657056. Its totient is φ = 17003701560.

The previous prime is 42509253887. The next prime is 42509253961. The reversal of 42509253910 is 1935290524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2125462686 + ... + 2125462705.

It is an arithmetic number, because the mean of its divisors is an integer number (9564582132).

Almost surely, 2^42509253910 is an apocalyptic number.

42509253910 is a deficient number, since it is larger than the sum of its proper divisors (34007403146).

42509253910 is a wasteful number, since it uses less digits than its factorization.

42509253910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250925398.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 42509253910 in words is "forty-two billion, five hundred nine million, two hundred fifty-three thousand, nine hundred ten".