195980013 has 8 divisors (see below), whose sum is σ = 290340800. Its totient is φ = 130653324.

The previous prime is 195979997. The next prime is 195980017. The reversal of 195980013 is 310089591.

It is a happy number.

It is not a de Polignac number, because 195980013 - 2⁴ = 195979997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195980013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195980017) 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, 3629233 + ... + 3629286.

It is an arithmetic number, because the mean of its divisors is an integer number (36292600).

Almost surely, 2^195980013 is an apocalyptic number.

It is an amenable number.

195980013 is a deficient number, since it is larger than the sum of its proper divisors (94360787).

195980013 is an equidigital number, since it uses as much as digits as its factorization.

195980013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7258528 (or 7258522 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 195980013 is about 13999.2861603726. The cubic root of 195980013 is about 580.8588277531.

The spelling of 195980013 in words is "one hundred ninety-five million, nine hundred eighty thousand, thirteen".