195243419 has 8 divisors (see below), whose sum is σ = 236261088. Its totient is φ = 157507200.

The previous prime is 195243383. The next prime is 195243421. The reversal of 195243419 is 914342591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195243419 - 2¹⁶ = 195177883 is a prime.

It is a super-2 number, since 2×195243419² = 76239985325619122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195243439) 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, 820232 + ... + 820469.

It is an arithmetic number, because the mean of its divisors is an integer number (29532636).

Almost surely, 2^195243419 is an apocalyptic number.

195243419 is a deficient number, since it is larger than the sum of its proper divisors (41017669).

195243419 is a wasteful number, since it uses less digits than its factorization.

195243419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640725.

The product of its digits is 38880, while the sum is 38.

The square root of 195243419 is about 13972.9531238031. The cubic root of 195243419 is about 580.1301917410.

The spelling of 195243419 in words is "one hundred ninety-five million, two hundred forty-three thousand, four hundred nineteen".