342743040561 has 4 divisors (see below), whose sum is σ = 456990720752. Its totient is φ = 228495360372.

The previous prime is 342743040547. The next prime is 342743040569. The reversal of 342743040561 is 165040347243.

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 not a de Polignac number, because 342743040561 - 2⁵ = 342743040529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342743040569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57123840091 + ... + 57123840096.

It is an arithmetic number, because the mean of its divisors is an integer number (114247680188).

Almost surely, 2^342743040561 is an apocalyptic number.

It is an amenable number.

342743040561 is a deficient number, since it is larger than the sum of its proper divisors (114247680191).

342743040561 is a wasteful number, since it uses less digits than its factorization.

342743040561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114247680190.

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 342743040561 in words is "three hundred forty-two billion, seven hundred forty-three million, forty thousand, five hundred sixty-one".