197547343343644 has 24 divisors (see below), whose sum is σ = 395183532154880. Its totient is φ = 84644108832816.

The previous prime is 197547343343641. The next prime is 197547343343683. The reversal of 197547343343644 is 446343343745791.

197547343343644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 197547343343644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197547343343641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793136364 + ... + 793385395.

Almost surely, 2^{197547343343644} is an apocalyptic number.

197547343343644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

197547343343644 is an abundant number, since it is smaller than the sum of its proper divisors (197636188811236).

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

197547343343644 is a wasteful number, since it uses less digits than its factorization.

197547343343644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586526217 (or 1586526215 counting only the distinct ones).

The product of its digits is 1097349120, while the sum is 67.

The spelling of 197547343343644 in words is "one hundred ninety-seven trillion, five hundred forty-seven billion, three hundred forty-three million, three hundred forty-three thousand, six hundred forty-four".