42705210653 has 4 divisors (see below), whose sum is σ = 48805955040. Its totient is φ = 36604466268.

The previous prime is 42705210637. The next prime is 42705210703. The reversal of 42705210653 is 35601250724.

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 42705210653 - 2⁴ = 42705210637 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 (42705210953) 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, 3050372183 + ... + 3050372196.

It is an arithmetic number, because the mean of its divisors is an integer number (12201488760).

Almost surely, 2^42705210653 is an apocalyptic number.

It is an amenable number.

42705210653 is a deficient number, since it is larger than the sum of its proper divisors (6100744387).

42705210653 is an equidigital number, since it uses as much as digits as its factorization.

42705210653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100744386.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 42705210653 in words is "forty-two billion, seven hundred five million, two hundred ten thousand, six hundred fifty-three".