63354534335623 has 2 divisors, whose sum is σ = 63354534335624. Its totient is φ = 63354534335622.

The previous prime is 63354534335593. The next prime is 63354534335647. The reversal of 63354534335623 is 32653343545336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63354534335623 - 2²¹ = 63354532238471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63354534335023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31677267167811 + 31677267167812.

It is an arithmetic number, because the mean of its divisors is an integer number (31677267167812).

Almost surely, 2^{63354534335623} is an apocalyptic number.

63354534335623 is a deficient number, since it is larger than the sum of its proper divisors (1).

63354534335623 is an equidigital number, since it uses as much as digits as its factorization.

63354534335623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976000, while the sum is 55.

The spelling of 63354534335623 in words is "sixty-three trillion, three hundred fifty-four billion, five hundred thirty-four million, three hundred thirty-five thousand, six hundred twenty-three".