453751405561 has 2 divisors, whose sum is σ = 453751405562. Its totient is φ = 453751405560.

The previous prime is 453751405507. The next prime is 453751405579. The reversal of 453751405561 is 165504157354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233057217600 + 220694187961 = 482760^2 + 469781^2 .

It is a cyclic number.

It is not a de Polignac number, because 453751405561 - 2¹¹ = 453751403513 is a prime.

It is not a weakly prime, because it can be changed into another prime (453751405361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226875702780 + 226875702781.

It is an arithmetic number, because the mean of its divisors is an integer number (226875702781).

Almost surely, 2^453751405561 is an apocalyptic number.

It is an amenable number.

453751405561 is a deficient number, since it is larger than the sum of its proper divisors (1).

453751405561 is an equidigital number, since it uses as much as digits as its factorization.

453751405561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 453751405561 in words is "four hundred fifty-three billion, seven hundred fifty-one million, four hundred five thousand, five hundred sixty-one".