36123563849 has 2 divisors, whose sum is σ = 36123563850. Its totient is φ = 36123563848.

The previous prime is 36123563837. The next prime is 36123563851. The reversal of 36123563849 is 94836532163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29914123849 + 6209440000 = 172957^2 + 78800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36123563849 is a prime.

Together with 36123563851, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36123563797 and 36123563806.

It is not a weakly prime, because it can be changed into another prime (36123563809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18061781924 + 18061781925.

It is an arithmetic number, because the mean of its divisors is an integer number (18061781925).

Almost surely, 2^36123563849 is an apocalyptic number.

It is an amenable number.

36123563849 is a deficient number, since it is larger than the sum of its proper divisors (1).

36123563849 is an equidigital number, since it uses as much as digits as its factorization.

36123563849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 50.

The spelling of 36123563849 in words is "thirty-six billion, one hundred twenty-three million, five hundred sixty-three thousand, eight hundred forty-nine".