197049590399 has 8 divisors (see below), whose sum is σ = 198907498368. Its totient is φ = 195191984920.

The previous prime is 197049590303. The next prime is 197049590401. The reversal of 197049590399 is 993095940791.

197049590399 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197049590399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197049590299) 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, 1361384 + ... + 1499154.

It is an arithmetic number, because the mean of its divisors is an integer number (24863437296).

Almost surely, 2^197049590399 is an apocalyptic number.

197049590399 is a deficient number, since it is larger than the sum of its proper divisors (1857907969).

197049590399 is a wasteful number, since it uses less digits than its factorization.

197049590399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151245.

The product of its (nonzero) digits is 24800580, while the sum is 65.

The spelling of 197049590399 in words is "one hundred ninety-seven billion, forty-nine million, five hundred ninety thousand, three hundred ninety-nine".