197013742929 has 24 divisors (see below), whose sum is σ = 288755386920. Its totient is φ = 129423351552.

The previous prime is 197013742927. The next prime is 197013742957. The reversal of 197013742929 is 929247310791.

It is a happy number.

197013742929 is a `hidden beast` number, since 19 + 70 + 137 + 429 + 2 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28536331329 + 168477411600 = 168927^2 + 410460^2 .

It is not a de Polignac number, because 197013742929 - 2¹ = 197013742927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197013742927) 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 23 ways as a sum of consecutive naturals, for example, 185034 + ... + 654419.

It is an arithmetic number, because the mean of its divisors is an integer number (12031474455).

Almost surely, 2^197013742929 is an apocalyptic number.

It is an amenable number.

197013742929 is a deficient number, since it is larger than the sum of its proper divisors (91741643991).

197013742929 is a wasteful number, since it uses less digits than its factorization.

197013742929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839841 (or 839838 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 197013742929 in words is "one hundred ninety-seven billion, thirteen million, seven hundred forty-two thousand, nine hundred twenty-nine".