63529459673 has 2 divisors, whose sum is σ = 63529459674. Its totient is φ = 63529459672.

The previous prime is 63529459661. The next prime is 63529459723. The reversal of 63529459673 is 37695492536.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41888990224 + 21640469449 = 204668^2 + 147107^2 .

It is a cyclic number.

It is not a de Polignac number, because 63529459673 - 2⁸ = 63529459417 is a prime.

It is not a weakly prime, because it can be changed into another prime (63529459603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31764729836 + 31764729837.

It is an arithmetic number, because the mean of its divisors is an integer number (31764729837).

Almost surely, 2^63529459673 is an apocalyptic number.

It is an amenable number.

63529459673 is a deficient number, since it is larger than the sum of its proper divisors (1).

63529459673 is an equidigital number, since it uses as much as digits as its factorization.

63529459673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36741600, while the sum is 59.

The spelling of 63529459673 in words is "sixty-three billion, five hundred twenty-nine million, four hundred fifty-nine thousand, six hundred seventy-three".