42420113309 has 8 divisors (see below), whose sum is σ = 49607574720. Its totient is φ = 35514513216.

The previous prime is 42420113297. The next prime is 42420113321. The reversal of 42420113309 is 90331102424.

It is an interprime number because it is at equal distance from previous prime (42420113297) and next prime (42420113321).

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

It is not a de Polignac number, because 42420113309 - 2⁴ = 42420113293 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 (42420113369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70465004 + ... + 70465605.

It is an arithmetic number, because the mean of its divisors is an integer number (6200946840).

Almost surely, 2^42420113309 is an apocalyptic number.

It is an amenable number.

42420113309 is a deficient number, since it is larger than the sum of its proper divisors (7187461411).

42420113309 is a wasteful number, since it uses less digits than its factorization.

42420113309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140930659.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 42420113309 in words is "forty-two billion, four hundred twenty million, one hundred thirteen thousand, three hundred nine".