342673968517 has 2 divisors, whose sum is σ = 342673968518. Its totient is φ = 342673968516.

The previous prime is 342673968467. The next prime is 342673968523. The reversal of 342673968517 is 715869376243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328863253156 + 13810715361 = 573466^2 + 117519^2 .

It is a cyclic number.

It is not a de Polignac number, because 342673968517 - 2⁷ = 342673968389 is a prime.

It is a super-3 number, since 3×342673968517³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342673968557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171336984258 + 171336984259.

It is an arithmetic number, because the mean of its divisors is an integer number (171336984259).

Almost surely, 2^342673968517 is an apocalyptic number.

It is an amenable number.

342673968517 is a deficient number, since it is larger than the sum of its proper divisors (1).

342673968517 is an equidigital number, since it uses as much as digits as its factorization.

342673968517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 61.

The spelling of 342673968517 in words is "three hundred forty-two billion, six hundred seventy-three million, nine hundred sixty-eight thousand, five hundred seventeen".