195463895 has 16 divisors (see below), whose sum is σ = 257461632. Its totient is φ = 141276960.

The previous prime is 195463871. The next prime is 195463903. The reversal of 195463895 is 598364591.

It is a happy number.

It is not a de Polignac number, because 195463895 - 2²² = 191269591 is a prime.

It is a super-2 number, since 2×195463895² = 76412268497142050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1937 + ... + 19866.

It is an arithmetic number, because the mean of its divisors is an integer number (16091352).

Almost surely, 2^195463895 is an apocalyptic number.

195463895 is a deficient number, since it is larger than the sum of its proper divisors (61997737).

195463895 is a wasteful number, since it uses less digits than its factorization.

195463895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21982.

The product of its digits is 1166400, while the sum is 50.

The square root of 195463895 is about 13980.8402823292. The cubic root of 195463895 is about 580.3484776634.

The spelling of 195463895 in words is "one hundred ninety-five million, four hundred sixty-three thousand, eight hundred ninety-five".