63346020571 has 2 divisors, whose sum is σ = 63346020572. Its totient is φ = 63346020570.

The previous prime is 63346020497. The next prime is 63346020599. The reversal of 63346020571 is 17502064336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63346020571 - 2¹¹ = 63346018523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63346020571.

It is not a weakly prime, because it can be changed into another prime (63346020271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31673010285 + 31673010286.

It is an arithmetic number, because the mean of its divisors is an integer number (31673010286).

Almost surely, 2^63346020571 is an apocalyptic number.

63346020571 is a deficient number, since it is larger than the sum of its proper divisors (1).

63346020571 is an equidigital number, since it uses as much as digits as its factorization.

63346020571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 63346020571 in words is "sixty-three billion, three hundred forty-six million, twenty thousand, five hundred seventy-one".