6462689 has 2 divisors, whose sum is σ = 6462690. Its totient is φ = 6462688.

The previous prime is 6462671. The next prime is 6462691. The reversal of 6462689 is 9862646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5798464 + 664225 = 2408^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 6462689 - 2²⁰ = 5414113 is a prime.

It is a super-2 number, since 2×6462689² = 83532698221442, which contains 22 as substring.

Together with 6462691, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6² + 4² + 6² + 2³ + 6⁸ + 8 + 9⁷ .

It is not a weakly prime, because it can be changed into another prime (6462289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3231344 + 3231345.

It is an arithmetic number, because the mean of its divisors is an integer number (3231345).

Almost surely, 2^6462689 is an apocalyptic number.

It is an amenable number.

6462689 is a deficient number, since it is larger than the sum of its proper divisors (1).

6462689 is an equidigital number, since it uses as much as digits as its factorization.

6462689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 6462689 is about 2542.1819368409. The cubic root of 6462689 is about 186.2677859387.

The spelling of 6462689 in words is "six million, four hundred sixty-two thousand, six hundred eighty-nine".