341969207581 has 2 divisors, whose sum is σ = 341969207582. Its totient is φ = 341969207580.

The previous prime is 341969207543. The next prime is 341969207599. The reversal of 341969207581 is 185702969143.

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., 207654287481 + 134314920100 = 455691^2 + 366490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341969207581 is a prime.

It is a super-2 number, since 2×341969207581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341969207501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170984603790 + 170984603791.

It is an arithmetic number, because the mean of its divisors is an integer number (170984603791).

It is a 1-persistent number, because it is pandigital, but 2⋅341969207581 = 683938415162 is not.

Almost surely, 2^341969207581 is an apocalyptic number.

It is an amenable number.

341969207581 is a deficient number, since it is larger than the sum of its proper divisors (1).

341969207581 is an equidigital number, since it uses as much as digits as its factorization.

341969207581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 341969207581 in words is "three hundred forty-one billion, nine hundred sixty-nine million, two hundred seven thousand, five hundred eighty-one".