6410993 has 2 divisors, whose sum is σ = 6410994. Its totient is φ = 6410992.

The previous prime is 6410981. The next prime is 6411011. The reversal of 6410993 is 3990146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4255969 + 2155024 = 2063^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 6410993 - 2⁴ = 6410977 is a prime.

It is a super-2 number, since 2×6410993² = 82201662492098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6410693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205496 + 3205497.

It is an arithmetic number, because the mean of its divisors is an integer number (3205497).

Almost surely, 2^6410993 is an apocalyptic number.

It is an amenable number.

6410993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6410993 is an equidigital number, since it uses as much as digits as its factorization.

6410993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 6410993 is about 2531.9938783496. The cubic root of 6410993 is about 185.7697945933.

The spelling of 6410993 in words is "six million, four hundred ten thousand, nine hundred ninety-three".