36469409 has 2 divisors, whose sum is σ = 36469410. Its totient is φ = 36469408.

The previous prime is 36469357. The next prime is 36469427. The reversal of 36469409 is 90496463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27300625 + 9168784 = 5225^2 + 3028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36469409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36469439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18234704 + 18234705.

It is an arithmetic number, because the mean of its divisors is an integer number (18234705).

Almost surely, 2^36469409 is an apocalyptic number.

It is an amenable number.

36469409 is a deficient number, since it is larger than the sum of its proper divisors (1).

36469409 is an equidigital number, since it uses as much as digits as its factorization.

36469409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 36469409 is about 6038.9907269344. The cubic root of 36469409 is about 331.6216749432.

The spelling of 36469409 in words is "thirty-six million, four hundred sixty-nine thousand, four hundred nine".