194826913 has 4 divisors (see below), whose sum is σ = 195168688. Its totient is φ = 194485140.

The previous prime is 194826871. The next prime is 194826949. The reversal of 194826913 is 319628491.

It is a happy number.

194826913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 194826913 - 2¹³ = 194818721 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 194826913.

It is not an unprimeable number, because it can be changed into a prime (194826013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170031 + ... + 171172.

It is an arithmetic number, because the mean of its divisors is an integer number (48792172).

Almost surely, 2^194826913 is an apocalyptic number.

It is an amenable number.

194826913 is a deficient number, since it is larger than the sum of its proper divisors (341775).

194826913 is an equidigital number, since it uses as much as digits as its factorization.

194826913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341774.

The product of its digits is 93312, while the sum is 43.

The square root of 194826913 is about 13958.0411591312. The cubic root of 194826913 is about 579.7173741934.

The spelling of 194826913 in words is "one hundred ninety-four million, eight hundred twenty-six thousand, nine hundred thirteen".