197419734126 has 12 divisors (see below), whose sum is σ = 427742757312. Its totient is φ = 65806578036.

The previous prime is 197419734107. The next prime is 197419734143. The reversal of 197419734126 is 621437914791.

197419734126 is a `hidden beast` number, since 1 + 97 + 4 + 197 + 341 + 26 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5483881486 + ... + 5483881521.

It is an arithmetic number, because the mean of its divisors is an integer number (35645229776).

Almost surely, 2^197419734126 is an apocalyptic number.

197419734126 is an abundant number, since it is smaller than the sum of its proper divisors (230323023186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197419734126 is a wasteful number, since it uses less digits than its factorization.

197419734126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10967763015 (or 10967763012 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The spelling of 197419734126 in words is "one hundred ninety-seven billion, four hundred nineteen million, seven hundred thirty-four thousand, one hundred twenty-six".