1838845201 has 2 divisors, whose sum is σ = 1838845202. Its totient is φ = 1838845200.

The previous prime is 1838845139. The next prime is 1838845219. The reversal of 1838845201 is 1025488381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1829700625 + 9144576 = 42775^2 + 3024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1838845201 - 2¹⁵ = 1838812433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1838845291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919422600 + 919422601.

It is an arithmetic number, because the mean of its divisors is an integer number (919422601).

Almost surely, 2^1838845201 is an apocalyptic number.

It is an amenable number.

1838845201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838845201 is an equidigital number, since it uses as much as digits as its factorization.

1838845201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 1838845201 is about 42881.7583711303. The cubic root of 1838845201 is about 1225.1287274969.

The spelling of 1838845201 in words is "one billion, eight hundred thirty-eight million, eight hundred forty-five thousand, two hundred one".