36813910849 has 2 divisors, whose sum is σ = 36813910850. Its totient is φ = 36813910848.

The previous prime is 36813910817. The next prime is 36813910891. The reversal of 36813910849 is 94801931863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22929530625 + 13884380224 = 151425^2 + 117832^2 .

It is a cyclic number.

It is not a de Polignac number, because 36813910849 - 2⁵ = 36813910817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36813910796 and 36813910805.

It is not a weakly prime, because it can be changed into another prime (36813910349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18406955424 + 18406955425.

It is an arithmetic number, because the mean of its divisors is an integer number (18406955425).

Almost surely, 2^36813910849 is an apocalyptic number.

It is an amenable number.

36813910849 is a deficient number, since it is larger than the sum of its proper divisors (1).

36813910849 is an equidigital number, since it uses as much as digits as its factorization.

36813910849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 36813910849 in words is "thirty-six billion, eight hundred thirteen million, nine hundred ten thousand, eight hundred forty-nine".