39636432824213 has 2 divisors, whose sum is σ = 39636432824214. Its totient is φ = 39636432824212.

The previous prime is 39636432824203. The next prime is 39636432824231. The reversal of 39636432824213 is 31242823463693.

Together with next prime (39636432824231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28751665995364 + 10884766828849 = 5362058^2 + 3299207^2 .

It is a cyclic number.

It is not a de Polignac number, because 39636432824213 - 2²⁸ = 39636164388757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39636432824203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19818216412106 + 19818216412107.

It is an arithmetic number, because the mean of its divisors is an integer number (19818216412107).

Almost surely, 2^{39636432824213} is an apocalyptic number.

It is an amenable number.

39636432824213 is a deficient number, since it is larger than the sum of its proper divisors (1).

39636432824213 is an equidigital number, since it uses as much as digits as its factorization.

39636432824213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26873856, while the sum is 56.

The spelling of 39636432824213 in words is "thirty-nine trillion, six hundred thirty-six billion, four hundred thirty-two million, eight hundred twenty-four thousand, two hundred thirteen".