42009099213 has 4 divisors (see below), whose sum is σ = 56012132288. Its totient is φ = 28006066140.

The previous prime is 42009099193. The next prime is 42009099259. The reversal of 42009099213 is 31299090024.

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 de Polignac number, because none of the positive numbers 2^k-42009099213 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 (42009099283) 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, 7001516533 + ... + 7001516538.

It is an arithmetic number, because the mean of its divisors is an integer number (14003033072).

Almost surely, 2^42009099213 is an apocalyptic number.

It is an amenable number.

42009099213 is a deficient number, since it is larger than the sum of its proper divisors (14003033075).

42009099213 is a wasteful number, since it uses less digits than its factorization.

42009099213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14003033074.

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 42009099213 in words is "forty-two billion, nine million, ninety-nine thousand, two hundred thirteen".