345622013381 has 2 divisors, whose sum is σ = 345622013382. Its totient is φ = 345622013380.

The previous prime is 345622013309. The next prime is 345622013413. The reversal of 345622013381 is 183310226543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247396812100 + 98225201281 = 497390^2 + 313409^2 .

It is an emirp because it is prime and its reverse (183310226543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345622013381 is a prime.

It is a super-3 number, since 3×345622013381³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345622043381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172811006690 + 172811006691.

It is an arithmetic number, because the mean of its divisors is an integer number (172811006691).

Almost surely, 2^345622013381 is an apocalyptic number.

It is an amenable number.

345622013381 is a deficient number, since it is larger than the sum of its proper divisors (1).

345622013381 is an equidigital number, since it uses as much as digits as its factorization.

345622013381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 345622013381 in words is "three hundred forty-five billion, six hundred twenty-two million, thirteen thousand, three hundred eighty-one".