36744454631 has 2 divisors, whose sum is σ = 36744454632. Its totient is φ = 36744454630.

The previous prime is 36744454583. The next prime is 36744454709. The reversal of 36744454631 is 13645444763.

36744454631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (13645444763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36744454631 - 2⁶ = 36744454567 is a prime.

It is a super-2 number, since 2×36744454631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36744454231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18372227315 + 18372227316.

It is an arithmetic number, because the mean of its divisors is an integer number (18372227316).

Almost surely, 2^36744454631 is an apocalyptic number.

36744454631 is a deficient number, since it is larger than the sum of its proper divisors (1).

36744454631 is an equidigital number, since it uses as much as digits as its factorization.

36744454631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 47.

The spelling of 36744454631 in words is "thirty-six billion, seven hundred forty-four million, four hundred fifty-four thousand, six hundred thirty-one".