204379493 has 2 divisors, whose sum is σ = 204379494. Its totient is φ = 204379492.

The previous prime is 204379471. The next prime is 204379499. The reversal of 204379493 is 394973402.

204379493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109453444 + 94926049 = 10462^2 + 9743^2 .

It is a cyclic number.

It is not a de Polignac number, because 204379493 - 2¹² = 204375397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204379493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204379499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102189746 + 102189747.

It is an arithmetic number, because the mean of its divisors is an integer number (102189747).

Almost surely, 2^204379493 is an apocalyptic number.

It is an amenable number.

204379493 is a deficient number, since it is larger than the sum of its proper divisors (1).

204379493 is an equidigital number, since it uses as much as digits as its factorization.

204379493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 204379493 is about 14296.1355967268. The cubic root of 204379493 is about 589.0413360013.

The spelling of 204379493 in words is "two hundred four million, three hundred seventy-nine thousand, four hundred ninety-three".