63195673829 has 2 divisors, whose sum is σ = 63195673830. Its totient is φ = 63195673828.

The previous prime is 63195673817. The next prime is 63195673889. The reversal of 63195673829 is 92837659136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54895552804 + 8300121025 = 234298^2 + 91105^2 .

It is a cyclic number.

It is not a de Polignac number, because 63195673829 - 2⁸ = 63195673573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63195673889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31597836914 + 31597836915.

It is an arithmetic number, because the mean of its divisors is an integer number (31597836915).

Almost surely, 2^63195673829 is an apocalyptic number.

It is an amenable number.

63195673829 is a deficient number, since it is larger than the sum of its proper divisors (1).

63195673829 is an equidigital number, since it uses as much as digits as its factorization.

63195673829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 59.

The spelling of 63195673829 in words is "sixty-three billion, one hundred ninety-five million, six hundred seventy-three thousand, eight hundred twenty-nine".