195349377 has 4 divisors (see below), whose sum is σ = 260465840. Its totient is φ = 130232916.

The previous prime is 195349333. The next prime is 195349403. The reversal of 195349377 is 773943591.

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 not a de Polignac number, because 195349377 - 2¹⁶ = 195283841 is a prime.

It is a super-2 number, since 2×195349377² = 76322758188576258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195349277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32558227 + ... + 32558232.

It is an arithmetic number, because the mean of its divisors is an integer number (65116460).

Almost surely, 2^195349377 is an apocalyptic number.

It is an amenable number.

195349377 is a deficient number, since it is larger than the sum of its proper divisors (65116463).

195349377 is an equidigital number, since it uses as much as digits as its factorization.

195349377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65116462.

The product of its digits is 714420, while the sum is 48.

The square root of 195349377 is about 13976.7441487637. The cubic root of 195349377 is about 580.2351177162.

The spelling of 195349377 in words is "one hundred ninety-five million, three hundred forty-nine thousand, three hundred seventy-seven".