344465576561 has 2 divisors, whose sum is σ = 344465576562. Its totient is φ = 344465576560.

The previous prime is 344465576537. The next prime is 344465576573. The reversal of 344465576561 is 165675564443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344428134400 + 37442161 = 586880^2 + 6119^2 .

It is a cyclic number.

It is not a de Polignac number, because 344465576561 - 2³⁴ = 327285707377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344465576497 and 344465576506.

It is not a weakly prime, because it can be changed into another prime (344465576501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172232788280 + 172232788281.

It is an arithmetic number, because the mean of its divisors is an integer number (172232788281).

Almost surely, 2^344465576561 is an apocalyptic number.

It is an amenable number.

344465576561 is a deficient number, since it is larger than the sum of its proper divisors (1).

344465576561 is an equidigital number, since it uses as much as digits as its factorization.

344465576561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288000, while the sum is 56.

The spelling of 344465576561 in words is "three hundred forty-four billion, four hundred sixty-five million, five hundred seventy-six thousand, five hundred sixty-one".