36814612789 has 2 divisors, whose sum is σ = 36814612790. Its totient is φ = 36814612788.

The previous prime is 36814612739. The next prime is 36814612799. The reversal of 36814612789 is 98721641863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34218710289 + 2595902500 = 184983^2 + 50950^2 .

It is a cyclic number.

It is not a de Polignac number, because 36814612789 - 2⁷ = 36814612661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36814612739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18407306394 + 18407306395.

It is an arithmetic number, because the mean of its divisors is an integer number (18407306395).

Almost surely, 2^36814612789 is an apocalyptic number.

It is an amenable number.

36814612789 is a deficient number, since it is larger than the sum of its proper divisors (1).

36814612789 is an equidigital number, since it uses as much as digits as its factorization.

36814612789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 55.

The spelling of 36814612789 in words is "thirty-six billion, eight hundred fourteen million, six hundred twelve thousand, seven hundred eighty-nine".