63552066493 has 2 divisors, whose sum is σ = 63552066494. Its totient is φ = 63552066492.

The previous prime is 63552066451. The next prime is 63552066499. The reversal of 63552066493 is 39466025536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46191895929 + 17360170564 = 214923^2 + 131758^2 .

It is a cyclic number.

It is not a de Polignac number, because 63552066493 - 2⁹ = 63552065981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63552066499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31776033246 + 31776033247.

It is an arithmetic number, because the mean of its divisors is an integer number (31776033247).

Almost surely, 2^63552066493 is an apocalyptic number.

It is an amenable number.

63552066493 is a deficient number, since it is larger than the sum of its proper divisors (1).

63552066493 is an equidigital number, since it uses as much as digits as its factorization.

63552066493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 63552066493 in words is "sixty-three billion, five hundred fifty-two million, sixty-six thousand, four hundred ninety-three".