42144943353 has 4 divisors (see below), whose sum is σ = 56193257808. Its totient is φ = 28096628900.

The previous prime is 42144943349. The next prime is 42144943397. The reversal of 42144943353 is 35334944124.

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 42144943353 - 2² = 42144943349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42144943853) 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, 7024157223 + ... + 7024157228.

It is an arithmetic number, because the mean of its divisors is an integer number (14048314452).

Almost surely, 2^42144943353 is an apocalyptic number.

It is an amenable number.

42144943353 is a deficient number, since it is larger than the sum of its proper divisors (14048314455).

42144943353 is a wasteful number, since it uses less digits than its factorization.

42144943353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14048314454.

The product of its digits is 622080, while the sum is 42.

The spelling of 42144943353 in words is "forty-two billion, one hundred forty-four million, nine hundred forty-three thousand, three hundred fifty-three".