36969689 has 2 divisors, whose sum is σ = 36969690. Its totient is φ = 36969688.

The previous prime is 36969661. The next prime is 36969703. The reversal of 36969689 is 98696963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34987225 + 1982464 = 5915^2 + 1408^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36969689 is a prime.

It is not a weakly prime, because it can be changed into another prime (36929689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18484844 + 18484845.

It is an arithmetic number, because the mean of its divisors is an integer number (18484845).

Almost surely, 2^36969689 is an apocalyptic number.

It is an amenable number.

36969689 is a deficient number, since it is larger than the sum of its proper divisors (1).

36969689 is an equidigital number, since it uses as much as digits as its factorization.

36969689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3779136, while the sum is 56.

The square root of 36969689 is about 6080.2704709577. The cubic root of 36969689 is about 333.1311666329.

The spelling of 36969689 in words is "thirty-six million, nine hundred sixty-nine thousand, six hundred eighty-nine".