63104187673 has 2 divisors, whose sum is σ = 63104187674. Its totient is φ = 63104187672.

The previous prime is 63104187623. The next prime is 63104187721. The reversal of 63104187673 is 37678140136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58038591744 + 5065595929 = 240912^2 + 71173^2 .

It is a cyclic number.

It is not a de Polignac number, because 63104187673 - 2¹⁷ = 63104056601 is a prime.

It is not a weakly prime, because it can be changed into another prime (63104187623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31552093836 + 31552093837.

It is an arithmetic number, because the mean of its divisors is an integer number (31552093837).

Almost surely, 2^63104187673 is an apocalyptic number.

It is an amenable number.

63104187673 is a deficient number, since it is larger than the sum of its proper divisors (1).

63104187673 is an equidigital number, since it uses as much as digits as its factorization.

63104187673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 63104187673 in words is "sixty-three billion, one hundred four million, one hundred eighty-seven thousand, six hundred seventy-three".