42213212645 has 8 divisors (see below), whose sum is σ = 50677126656. Its totient is φ = 33756389136.

The previous prime is 42213212611. The next prime is 42213212677. The reversal of 42213212645 is 54621231224.

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

It is a cyclic number.

It is not a de Polignac number, because 42213212645 - 2²⁰ = 42212164069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759517 + ... + 1783346.

It is an arithmetic number, because the mean of its divisors is an integer number (6334640832).

Almost surely, 2^42213212645 is an apocalyptic number.

It is an amenable number.

42213212645 is a deficient number, since it is larger than the sum of its proper divisors (8463914011).

42213212645 is a wasteful number, since it uses less digits than its factorization.

42213212645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545251.

The product of its digits is 23040, while the sum is 32.

Adding to 42213212645 its reverse (54621231224), we get a palindrome (96834443869).

The spelling of 42213212645 in words is "forty-two billion, two hundred thirteen million, two hundred twelve thousand, six hundred forty-five".