36867050503721 has 2 divisors, whose sum is σ = 36867050503722. Its totient is φ = 36867050503720.

The previous prime is 36867050503681. The next prime is 36867050503729. The reversal of 36867050503721 is 12730505076863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31878885607321 + 4988164896400 = 5646139^2 + 2233420^2 .

It is a cyclic number.

It is not a de Polignac number, because 36867050503721 - 2¹⁰ = 36867050502697 is a prime.

It is not a weakly prime, because it can be changed into another prime (36867050503729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18433525251860 + 18433525251861.

It is an arithmetic number, because the mean of its divisors is an integer number (18433525251861).

Almost surely, 2^{36867050503721} is an apocalyptic number.

It is an amenable number.

36867050503721 is a deficient number, since it is larger than the sum of its proper divisors (1).

36867050503721 is an equidigital number, since it uses as much as digits as its factorization.

36867050503721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 36867050503721 in words is "thirty-six trillion, eight hundred sixty-seven billion, fifty million, five hundred three thousand, seven hundred twenty-one".