1836870073 has 2 divisors, whose sum is σ = 1836870074. Its totient is φ = 1836870072.

The previous prime is 1836870067. The next prime is 1836870157. The reversal of 1836870073 is 3700786381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1168750969 + 668119104 = 34187^2 + 25848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1836870073 - 2²⁹ = 1299999161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1836870053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918435036 + 918435037.

It is an arithmetic number, because the mean of its divisors is an integer number (918435037).

Almost surely, 2^1836870073 is an apocalyptic number.

It is an amenable number.

1836870073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1836870073 is an equidigital number, since it uses as much as digits as its factorization.

1836870073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1836870073 is about 42858.7222511358. The cubic root of 1836870073 is about 1224.6899280185.

The spelling of 1836870073 in words is "one billion, eight hundred thirty-six million, eight hundred seventy thousand, seventy-three".