342458802647 has 4 divisors (see below), whose sum is σ = 368801787480. Its totient is φ = 316115817816.

The previous prime is 342458802617. The next prime is 342458802683. The reversal of 342458802647 is 746208854243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746208854243 = 21247 ⋅35120669.

It is a cyclic number.

It is not a de Polignac number, because 342458802647 - 2²⁶ = 342391693783 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 (342458802617) 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, 13171492397 + ... + 13171492422.

It is an arithmetic number, because the mean of its divisors is an integer number (92200446870).

Almost surely, 2^342458802647 is an apocalyptic number.

342458802647 is a deficient number, since it is larger than the sum of its proper divisors (26342984833).

342458802647 is a wasteful number, since it uses less digits than its factorization.

342458802647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26342984832.

The product of its (nonzero) digits is 10321920, while the sum is 53.

The spelling of 342458802647 in words is "three hundred forty-two billion, four hundred fifty-eight million, eight hundred two thousand, six hundred forty-seven".