42720883313 has 4 divisors (see below), whose sum is σ = 42721773168. Its totient is φ = 42719993460.

The previous prime is 42720883301. The next prime is 42720883321. The reversal of 42720883313 is 31338802724.

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 42720883313 - 2⁴ = 42720883297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42720883333) 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, 368543 + ... + 470388.

It is an arithmetic number, because the mean of its divisors is an integer number (10680443292).

Almost surely, 2^42720883313 is an apocalyptic number.

It is an amenable number.

42720883313 is a deficient number, since it is larger than the sum of its proper divisors (889855).

42720883313 is an equidigital number, since it uses as much as digits as its factorization.

42720883313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889854.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 42720883313 in words is "forty-two billion, seven hundred twenty million, eight hundred eighty-three thousand, three hundred thirteen".