2042198365 has 4 divisors (see below), whose sum is σ = 2450638044. Its totient is φ = 1633758688.

The previous prime is 2042198351. The next prime is 2042198369. The reversal of 2042198365 is 5638912402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 419881081 + 1622317284 = 20491^2 + 40278^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042198365 - 2¹⁹ = 2041674077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042198369) 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, 204219832 + ... + 204219841.

It is an arithmetic number, because the mean of its divisors is an integer number (612659511).

Almost surely, 2^2042198365 is an apocalyptic number.

It is an amenable number.

2042198365 is a deficient number, since it is larger than the sum of its proper divisors (408439679).

2042198365 is an equidigital number, since it uses as much as digits as its factorization.

2042198365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408439678.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2042198365 is about 45190.6889192896. The cubic root of 2042198365 is about 1268.7205510082.

The spelling of 2042198365 in words is "two billion, forty-two million, one hundred ninety-eight thousand, three hundred sixty-five".