6364691 has 2 divisors, whose sum is σ = 6364692. Its totient is φ = 6364690.

The previous prime is 6364663. The next prime is 6364723. The reversal of 6364691 is 1964636.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6364691 - 2⁶ = 6364627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (6364621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182345 + 3182346.

It is an arithmetic number, because the mean of its divisors is an integer number (3182346).

Almost surely, 2^6364691 is an apocalyptic number.

6364691 is a deficient number, since it is larger than the sum of its proper divisors (1).

6364691 is an equidigital number, since it uses as much as digits as its factorization.

6364691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 6364691 is about 2522.8339223976. The cubic root of 6364691 is about 185.3214862977.

The spelling of 6364691 in words is "six million, three hundred sixty-four thousand, six hundred ninety-one".