523453455519641 has 2 divisors, whose sum is σ = 523453455519642. Its totient is φ = 523453455519640.

The previous prime is 523453455519613. The next prime is 523453455519649. The reversal of 523453455519641 is 146915554354325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372202099651600 + 151251355868041 = 19292540^2 + 12298429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523453455519641 is a prime.

It is not a weakly prime, because it can be changed into another prime (523453455519649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261726727759820 + 261726727759821.

It is an arithmetic number, because the mean of its divisors is an integer number (261726727759821).

Almost surely, 2^{523453455519641} is an apocalyptic number.

It is an amenable number.

523453455519641 is a deficient number, since it is larger than the sum of its proper divisors (1).

523453455519641 is an equidigital number, since it uses as much as digits as its factorization.

523453455519641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400000, while the sum is 62.

The spelling of 523453455519641 in words is "five hundred twenty-three trillion, four hundred fifty-three billion, four hundred fifty-five million, five hundred nineteen thousand, six hundred forty-one".