197741486542 has 8 divisors (see below), whose sum is σ = 296771106456. Its totient is φ = 98817784392.

The previous prime is 197741486539. The next prime is 197741486543. The reversal of 197741486542 is 245684147791.

197741486542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197741486543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26474773 + ... + 26482240.

It is an arithmetic number, because the mean of its divisors is an integer number (37096388307).

Almost surely, 2^197741486542 is an apocalyptic number.

197741486542 is a deficient number, since it is larger than the sum of its proper divisors (99029619914).

197741486542 is a wasteful number, since it uses less digits than its factorization.

197741486542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52958882.

The product of its digits is 13547520, while the sum is 58.

The spelling of 197741486542 in words is "one hundred ninety-seven billion, seven hundred forty-one million, four hundred eighty-six thousand, five hundred forty-two".