341172375721 has 2 divisors, whose sum is σ = 341172375722. Its totient is φ = 341172375720.

The previous prime is 341172375707. The next prime is 341172375763. The reversal of 341172375721 is 127573271143.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337719050496 + 3453325225 = 581136^2 + 58765^2 .

It is an emirp because it is prime and its reverse (127573271143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 341172375721 - 2²⁹ = 340635504809 is a prime.

It is a super-2 number, since 2×341172375721² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (341172375821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170586187860 + 170586187861.

It is an arithmetic number, because the mean of its divisors is an integer number (170586187861).

Almost surely, 2^341172375721 is an apocalyptic number.

It is an amenable number.

341172375721 is a deficient number, since it is larger than the sum of its proper divisors (1).

341172375721 is an equidigital number, since it uses as much as digits as its factorization.

341172375721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 43.

The spelling of 341172375721 in words is "three hundred forty-one billion, one hundred seventy-two million, three hundred seventy-five thousand, seven hundred twenty-one".