36865693 has 2 divisors, whose sum is σ = 36865694. Its totient is φ = 36865692.

The previous prime is 36865667. The next prime is 36865739. The reversal of 36865693 is 39656863.

It is an a-pointer prime, because the next prime (36865739) can be obtained adding 36865693 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34609689 + 2256004 = 5883^2 + 1502^2 .

It is an emirp because it is prime and its reverse (39656863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36865693 - 2²¹ = 34768541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36865613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18432846 + 18432847.

It is an arithmetic number, because the mean of its divisors is an integer number (18432847).

Almost surely, 2^36865693 is an apocalyptic number.

It is an amenable number.

36865693 is a deficient number, since it is larger than the sum of its proper divisors (1).

36865693 is an equidigital number, since it uses as much as digits as its factorization.

36865693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 46.

The square root of 36865693 is about 6071.7125261330. The cubic root of 36865693 is about 332.8185064916.

The spelling of 36865693 in words is "thirty-six million, eight hundred sixty-five thousand, six hundred ninety-three".