342305643437 has 4 divisors (see below), whose sum is σ = 350266239840. Its totient is φ = 334345047036.

The previous prime is 342305643409. The next prime is 342305643473. The reversal of 342305643437 is 734346503243.

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 a de Polignac number, because none of the positive numbers 2^k-342305643437 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 (342305643137) 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, 3980298137 + ... + 3980298222.

It is an arithmetic number, because the mean of its divisors is an integer number (87566559960).

Almost surely, 2^342305643437 is an apocalyptic number.

It is an amenable number.

342305643437 is a deficient number, since it is larger than the sum of its proper divisors (7960596403).

342305643437 is an equidigital number, since it uses as much as digits as its factorization.

342305643437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7960596402.

The product of its (nonzero) digits is 2177280, while the sum is 44.

The spelling of 342305643437 in words is "three hundred forty-two billion, three hundred five million, six hundred forty-three thousand, four hundred thirty-seven".