42344220413 has 4 divisors (see below), whose sum is σ = 46193695008. Its totient is φ = 38494745820.

The previous prime is 42344220397. The next prime is 42344220419. The reversal of 42344220413 is 31402244324.

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 42344220413 - 2⁴ = 42344220397 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 (42344220419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924737281 + ... + 1924737302.

It is an arithmetic number, because the mean of its divisors is an integer number (11548423752).

Almost surely, 2^42344220413 is an apocalyptic number.

It is an amenable number.

42344220413 is a deficient number, since it is larger than the sum of its proper divisors (3849474595).

42344220413 is a wasteful number, since it uses less digits than its factorization.

42344220413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849474594.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42344220413 its reverse (31402244324), we get a palindrome (73746464737).

The spelling of 42344220413 in words is "forty-two billion, three hundred forty-four million, two hundred twenty thousand, four hundred thirteen".