42268530613 has 4 divisors (see below), whose sum is σ = 42339810348. Its totient is φ = 42197250880.

The previous prime is 42268530599. The next prime is 42268530617. The reversal of 42268530613 is 31603586224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30850112164 + 11418418449 = 175642^2 + 106857^2 .

It is a cyclic number.

It is not a de Polignac number, because 42268530613 - 2⁵ = 42268530581 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 (42268530617) 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, 35638978 + ... + 35640163.

It is an arithmetic number, because the mean of its divisors is an integer number (10584952587).

Almost surely, 2^42268530613 is an apocalyptic number.

It is an amenable number.

42268530613 is a deficient number, since it is larger than the sum of its proper divisors (71279735).

42268530613 is an equidigital number, since it uses as much as digits as its factorization.

42268530613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71279734.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 42268530613 in words is "forty-two billion, two hundred sixty-eight million, five hundred thirty thousand, six hundred thirteen".