36623600449 has 2 divisors, whose sum is σ = 36623600450. Its totient is φ = 36623600448.

The previous prime is 36623600393. The next prime is 36623600491. The reversal of 36623600449 is 94400632663.

36623600449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32178978225 + 4444622224 = 179385^2 + 66668^2 .

It is a cyclic number.

It is not a de Polignac number, because 36623600449 - 2²⁹ = 36086729537 is a prime.

It is not a weakly prime, because it can be changed into another prime (36623600149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18311800224 + 18311800225.

It is an arithmetic number, because the mean of its divisors is an integer number (18311800225).

Almost surely, 2^36623600449 is an apocalyptic number.

It is an amenable number.

36623600449 is a deficient number, since it is larger than the sum of its proper divisors (1).

36623600449 is an equidigital number, since it uses as much as digits as its factorization.

36623600449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 36623600449 in words is "thirty-six billion, six hundred twenty-three million, six hundred thousand, four hundred forty-nine".