63194227197 has 16 divisors (see below), whose sum is σ = 84846418368. Its totient is φ = 41836538880.

The previous prime is 63194227181. The next prime is 63194227249. The reversal of 63194227197 is 79172249136.

It is a happy number.

It is not a de Polignac number, because 63194227197 - 2⁴ = 63194227181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63194227097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229047 + ... + 422907.

It is an arithmetic number, because the mean of its divisors is an integer number (5302901148).

Almost surely, 2^63194227197 is an apocalyptic number.

It is an amenable number.

63194227197 is a deficient number, since it is larger than the sum of its proper divisors (21652191171).

63194227197 is a wasteful number, since it uses less digits than its factorization.

63194227197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194620.

The product of its digits is 1143072, while the sum is 51.

The spelling of 63194227197 in words is "sixty-three billion, one hundred ninety-four million, two hundred twenty-seven thousand, one hundred ninety-seven".