197493419 has 4 divisors (see below), whose sum is σ = 197671344. Its totient is φ = 197315496.

The previous prime is 197493379. The next prime is 197493469. The reversal of 197493419 is 914394791.

197493419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197493419 is a prime.

It is a super-2 number, since 2×197493419² = 78007301096619122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197493469) 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, 87287 + ... + 89520.

It is an arithmetic number, because the mean of its divisors is an integer number (49417836).

Almost surely, 2^197493419 is an apocalyptic number.

197493419 is a deficient number, since it is larger than the sum of its proper divisors (177925).

197493419 is a wasteful number, since it uses less digits than its factorization.

197493419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177924.

The product of its digits is 244944, while the sum is 47.

The square root of 197493419 is about 14053.2351791322. The cubic root of 197493419 is about 582.3501738481.

The spelling of 197493419 in words is "one hundred ninety-seven million, four hundred ninety-three thousand, four hundred nineteen".