36899969 has 2 divisors, whose sum is σ = 36899970. Its totient is φ = 36899968.

The previous prime is 36899963. The next prime is 36899983. The reversal of 36899969 is 96999863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25877569 + 11022400 = 5087^2 + 3320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36899969 is a prime.

It is a super-2 number, since 2×36899969² = 2723215424401922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36899963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18449984 + 18449985.

It is an arithmetic number, because the mean of its divisors is an integer number (18449985).

Almost surely, 2^36899969 is an apocalyptic number.

It is an amenable number.

36899969 is a deficient number, since it is larger than the sum of its proper divisors (1).

36899969 is an equidigital number, since it uses as much as digits as its factorization.

36899969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5668704, while the sum is 59.

The square root of 36899969 is about 6074.5344677596. The cubic root of 36899969 is about 332.9216209102.

The spelling of 36899969 in words is "thirty-six million, eight hundred ninety-nine thousand, nine hundred sixty-nine".