342666053617 has 4 divisors (see below), whose sum is σ = 347360109220. Its totient is φ = 337971998016.

The previous prime is 342666053591. The next prime is 342666053701. The reversal of 342666053617 is 716350666243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716350666243 = 23 ⋅31145681141.

It can be written as a sum of positive squares in 2 ways, for example, as 83711270241 + 258954783376 = 289329^2 + 508876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342666053617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342663053617) 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, 2347027692 + ... + 2347027837.

It is an arithmetic number, because the mean of its divisors is an integer number (86840027305).

Almost surely, 2^342666053617 is an apocalyptic number.

It is an amenable number.

342666053617 is a deficient number, since it is larger than the sum of its proper divisors (4694055603).

342666053617 is an equidigital number, since it uses as much as digits as its factorization.

342666053617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4694055602.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 342666053617 in words is "three hundred forty-two billion, six hundred sixty-six million, fifty-three thousand, six hundred seventeen".