197375012428 has 12 divisors (see below), whose sum is σ = 376806841992. Its totient is φ = 89715914720.

The previous prime is 197375012423. The next prime is 197375012447. The reversal of 197375012428 is 824210573791.

It is not an unprimeable number, because it can be changed into a prime (197375012423) 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 3 ways as a sum of consecutive naturals, for example, 2242897825 + ... + 2242897912.

It is an arithmetic number, because the mean of its divisors is an integer number (31400570166).

Almost surely, 2^197375012428 is an apocalyptic number.

It is an amenable number.

197375012428 is a deficient number, since it is larger than the sum of its proper divisors (179431829564).

197375012428 is a wasteful number, since it uses less digits than its factorization.

197375012428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485795752 (or 4485795750 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 197375012428 in words is "one hundred ninety-seven billion, three hundred seventy-five million, twelve thousand, four hundred twenty-eight".