42655044413 has 4 divisors (see below), whose sum is σ = 42655918080. Its totient is φ = 42654170748.

The previous prime is 42655044379. The next prime is 42655044433. The reversal of 42655044413 is 31444055624.

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 42655044413 - 2⁶ = 42655044349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42655044433) 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, 358973 + ... + 462786.

It is an arithmetic number, because the mean of its divisors is an integer number (10663979520).

Almost surely, 2^42655044413 is an apocalyptic number.

It is an amenable number.

42655044413 is a deficient number, since it is larger than the sum of its proper divisors (873667).

42655044413 is an equidigital number, since it uses as much as digits as its factorization.

42655044413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873666.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 42655044413 in words is "forty-two billion, six hundred fifty-five million, forty-four thousand, four hundred thirteen".