201849379 has 4 divisors (see below), whose sum is σ = 204692400. Its totient is φ = 199006360.

The previous prime is 201849371. The next prime is 201849383. The reversal of 201849379 is 973948102.

201849379 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.

It is a cyclic number.

It is not a de Polignac number, because 201849379 - 2³ = 201849371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201849371) 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, 1421404 + ... + 1421545.

It is an arithmetic number, because the mean of its divisors is an integer number (51173100).

Almost surely, 2^201849379 is an apocalyptic number.

201849379 is a deficient number, since it is larger than the sum of its proper divisors (2843021).

201849379 is an equidigital number, since it uses as much as digits as its factorization.

201849379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843020.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 201849379 is about 14207.3705871284. The cubic root of 201849379 is about 586.6005590470.

The spelling of 201849379 in words is "two hundred one million, eight hundred forty-nine thousand, three hundred seventy-nine".