45344323073561 has 2 divisors, whose sum is σ = 45344323073562. Its totient is φ = 45344323073560.

The previous prime is 45344323073479. The next prime is 45344323073689. The reversal of 45344323073561 is 16537032344354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42612760344025 + 2731562729536 = 6527845^2 + 1652744^2 .

It is a cyclic number.

It is not a de Polignac number, because 45344323073561 - 2¹⁰ = 45344323072537 is a prime.

It is a super-2 number, since 2×45344323073561² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45344323070561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22672161536780 + 22672161536781.

It is an arithmetic number, because the mean of its divisors is an integer number (22672161536781).

Almost surely, 2^{45344323073561} is an apocalyptic number.

It is an amenable number.

45344323073561 is a deficient number, since it is larger than the sum of its proper divisors (1).

45344323073561 is an equidigital number, since it uses as much as digits as its factorization.

45344323073561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 50.

The spelling of 45344323073561 in words is "forty-five trillion, three hundred forty-four billion, three hundred twenty-three million, seventy-three thousand, five hundred sixty-one".