1838202011 has 8 divisors (see below), whose sum is σ = 1846320000. Its totient is φ = 1830097152.

The previous prime is 1838201983. The next prime is 1838202013. The reversal of 1838202011 is 1102028381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1838202011 - 2³⁰ = 764460187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1838202013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363446 + ... + 368468.

It is an arithmetic number, because the mean of its divisors is an integer number (230790000).

Almost surely, 2^1838202011 is an apocalyptic number.

1838202011 is a deficient number, since it is larger than the sum of its proper divisors (8117989).

1838202011 is a wasteful number, since it uses less digits than its factorization.

1838202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6565.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1838202011 is about 42874.2581393544. The cubic root of 1838202011 is about 1224.9858692803.

The spelling of 1838202011 in words is "one billion, eight hundred thirty-eight million, two hundred two thousand, eleven".