195373994 has 4 divisors (see below), whose sum is σ = 293060994. Its totient is φ = 97686996.

The previous prime is 195373993. The next prime is 195373999. The reversal of 195373994 is 499373591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499373591 = 29 ⋅17219779.

It can be written as a sum of positive squares in only one way, i.e., 129163225 + 66210769 = 11365^2 + 8137^2 .

It is not an unprimeable number, because it can be changed into a prime (195373991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48843497 + ... + 48843500.

Almost surely, 2^195373994 is an apocalyptic number.

195373994 is a deficient number, since it is larger than the sum of its proper divisors (97687000).

195373994 is an equidigital number, since it uses as much as digits as its factorization.

195373994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97686999.

The product of its digits is 918540, while the sum is 50.

The square root of 195373994 is about 13977.6247624552. The cubic root of 195373994 is about 580.2594895164.

The spelling of 195373994 in words is "one hundred ninety-five million, three hundred seventy-three thousand, nine hundred ninety-four".