197141849 has 4 divisors (see below), whose sum is σ = 199517136. Its totient is φ = 194766564.

The previous prime is 197141839. The next prime is 197141851. The reversal of 197141849 is 948141791.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 197141849 - 2²⁴ = 180364633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197141839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187519 + ... + 1187684.

It is an arithmetic number, because the mean of its divisors is an integer number (49879284).

Almost surely, 2^197141849 is an apocalyptic number.

It is an amenable number.

197141849 is a deficient number, since it is larger than the sum of its proper divisors (2375287).

197141849 is an equidigital number, since it uses as much as digits as its factorization.

197141849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375286.

The product of its digits is 72576, while the sum is 44.

The square root of 197141849 is about 14040.7210997156. The cubic root of 197141849 is about 582.0044096531.

The spelling of 197141849 in words is "one hundred ninety-seven million, one hundred forty-one thousand, eight hundred forty-nine".