42735992813 has 4 divisors (see below), whose sum is σ = 43373843520. Its totient is φ = 42098142108.

The previous prime is 42735992809. The next prime is 42735992833. The reversal of 42735992813 is 31829953724.

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 cyclic number.

It is not a de Polignac number, because 42735992813 - 2² = 42735992809 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 (42735992833) 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, 318925253 + ... + 318925386.

It is an arithmetic number, because the mean of its divisors is an integer number (10843460880).

Almost surely, 2^42735992813 is an apocalyptic number.

It is an amenable number.

42735992813 is a deficient number, since it is larger than the sum of its proper divisors (637850707).

42735992813 is an equidigital number, since it uses as much as digits as its factorization.

42735992813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637850706.

The product of its digits is 3265920, while the sum is 53.

The spelling of 42735992813 in words is "forty-two billion, seven hundred thirty-five million, nine hundred ninety-two thousand, eight hundred thirteen".