342545545247 has 2 divisors, whose sum is σ = 342545545248. Its totient is φ = 342545545246.

The previous prime is 342545545193. The next prime is 342545545249. The reversal of 342545545247 is 742545545243.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342545545247 - 2¹⁸ = 342545283103 is a prime.

Together with 342545545249, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 342545545195 and 342545545204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342545545249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171272772623 + 171272772624.

It is an arithmetic number, because the mean of its divisors is an integer number (171272772624).

Almost surely, 2^342545545247 is an apocalyptic number.

342545545247 is a deficient number, since it is larger than the sum of its proper divisors (1).

342545545247 is an equidigital number, since it uses as much as digits as its factorization.

342545545247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440000, while the sum is 50.

The spelling of 342545545247 in words is "three hundred forty-two billion, five hundred forty-five million, five hundred forty-five thousand, two hundred forty-seven".