197390343430 has 32 divisors (see below), whose sum is σ = 406099132416. Its totient is φ = 67670189664.

The previous prime is 197390343413. The next prime is 197390343457. The reversal of 197390343430 is 34343093791.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629307 + ... + 889273.

It is an arithmetic number, because the mean of its divisors is an integer number (12690597888).

Almost surely, 2^197390343430 is an apocalyptic number.

197390343430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197390343430 is an abundant number, since it is smaller than the sum of its proper divisors (208708788986).

197390343430 is a wasteful number, since it uses less digits than its factorization.

197390343430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270828.

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 197390343430 in words is "one hundred ninety-seven billion, three hundred ninety million, three hundred forty-three thousand, four hundred thirty".