36744454447 has 2 divisors, whose sum is σ = 36744454448. Its totient is φ = 36744454446.

The previous prime is 36744454433. The next prime is 36744454459. The reversal of 36744454447 is 74445444763.

It is a strong prime.

It is an emirp because it is prime and its reverse (74445444763) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36744454447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36744454394 and 36744454403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36744454547) 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 as a sum of consecutive naturals, namely, 18372227223 + 18372227224.

It is an arithmetic number, because the mean of its divisors is an integer number (18372227224).

Almost surely, 2^36744454447 is an apocalyptic number.

36744454447 is a deficient number, since it is larger than the sum of its proper divisors (1).

36744454447 is an equidigital number, since it uses as much as digits as its factorization.

36744454447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18063360, while the sum is 52.

The spelling of 36744454447 in words is "thirty-six billion, seven hundred forty-four million, four hundred fifty-four thousand, four hundred forty-seven".