5691899 has 2 divisors, whose sum is σ = 5691900. Its totient is φ = 5691898.

The previous prime is 5691893. The next prime is 5691913. The reversal of 5691899 is 9981965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5691899 - 2¹⁶ = 5626363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5691893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845949 + 2845950.

It is an arithmetic number, because the mean of its divisors is an integer number (2845950).

Almost surely, 2^5691899 is an apocalyptic number.

5691899 is a deficient number, since it is larger than the sum of its proper divisors (1).

5691899 is an equidigital number, since it uses as much as digits as its factorization.

5691899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 47.

The square root of 5691899 is about 2385.7701062760. The cubic root of 5691899 is about 178.5469332343.

The spelling of 5691899 in words is "five million, six hundred ninety-one thousand, eight hundred ninety-nine".