453427571561 has 2 divisors, whose sum is σ = 453427571562. Its totient is φ = 453427571560.

The previous prime is 453427571539. The next prime is 453427571579. The reversal of 453427571561 is 165175724354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442731875161 + 10695696400 = 665381^2 + 103420^2 .

It is a cyclic number.

It is not a de Polignac number, because 453427571561 - 2¹⁸ = 453427309417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (453427571161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226713785780 + 226713785781.

It is an arithmetic number, because the mean of its divisors is an integer number (226713785781).

Almost surely, 2^453427571561 is an apocalyptic number.

It is an amenable number.

453427571561 is a deficient number, since it is larger than the sum of its proper divisors (1).

453427571561 is an equidigital number, since it uses as much as digits as its factorization.

453427571561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528000, while the sum is 50.

The spelling of 453427571561 in words is "four hundred fifty-three billion, four hundred twenty-seven million, five hundred seventy-one thousand, five hundred sixty-one".