36823813505 has 4 divisors (see below), whose sum is σ = 44188576212. Its totient is φ = 29459050800.

The previous prime is 36823813501. The next prime is 36823813541. The reversal of 36823813505 is 50531832863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10468563856 + 26355249649 = 102316^2 + 162343^2 .

It is not a de Polignac number, because 36823813505 - 2² = 36823813501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36823813501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3682381346 + ... + 3682381355.

It is an arithmetic number, because the mean of its divisors is an integer number (11047144053).

Almost surely, 2^36823813505 is an apocalyptic number.

It is an amenable number.

36823813505 is a deficient number, since it is larger than the sum of its proper divisors (7364762707).

36823813505 is an equidigital number, since it uses as much as digits as its factorization.

36823813505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364762706.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 36823813505 in words is "thirty-six billion, eight hundred twenty-three million, eight hundred thirteen thousand, five hundred five".