42091759213 has 4 divisors (see below), whose sum is σ = 48104867680. Its totient is φ = 36078650748.

The previous prime is 42091759169. The next prime is 42091759267. The reversal of 42091759213 is 31295719024.

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 not a de Polignac number, because 42091759213 - 2¹⁷ = 42091628141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42091759213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42091759013) 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, 3006554223 + ... + 3006554236.

It is an arithmetic number, because the mean of its divisors is an integer number (12026216920).

Almost surely, 2^42091759213 is an apocalyptic number.

It is an amenable number.

42091759213 is a deficient number, since it is larger than the sum of its proper divisors (6013108467).

42091759213 is an equidigital number, since it uses as much as digits as its factorization.

42091759213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013108466.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 42091759213 in words is "forty-two billion, ninety-one million, seven hundred fifty-nine thousand, two hundred thirteen".