197943759340 has 24 divisors (see below), whose sum is σ = 418084687440. Its totient is φ = 78719828928.

The previous prime is 197943759337. The next prime is 197943759341. The reversal of 197943759340 is 43957349791.

197943759340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×197943759340³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (197943759341) 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 7 ways as a sum of consecutive naturals, for example, 28601130 + ... + 28608049.

It is an arithmetic number, because the mean of its divisors is an integer number (17420195310).

Almost surely, 2^197943759340 is an apocalyptic number.

197943759340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197943759340 is an abundant number, since it is smaller than the sum of its proper divisors (220140928100).

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

197943759340 is a wasteful number, since it uses less digits than its factorization.

197943759340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57209361 (or 57209359 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 197943759340 in words is "one hundred ninety-seven billion, nine hundred forty-three million, seven hundred fifty-nine thousand, three hundred forty".