6321492469 has 2 divisors, whose sum is σ = 6321492470. Its totient is φ = 6321492468.

The previous prime is 6321492467. The next prime is 6321492533. The reversal of 6321492469 is 9642941236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5574563569 + 746928900 = 74663^2 + 27330^2 .

It is a cyclic number.

It is not a de Polignac number, because 6321492469 - 2¹ = 6321492467 is a prime.

It is a super-2 number, since 2×6321492469² = 79922534071247431922, which contains 22 as substring.

Together with 6321492467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6321492467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160746234 + 3160746235.

It is an arithmetic number, because the mean of its divisors is an integer number (3160746235).

Almost surely, 2^6321492469 is an apocalyptic number.

It is an amenable number.

6321492469 is a deficient number, since it is larger than the sum of its proper divisors (1).

6321492469 is an equidigital number, since it uses as much as digits as its factorization.

6321492469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 46.

The square root of 6321492469 is about 79507.8138864351. The cubic root of 6321492469 is about 1849.0126183728.

The spelling of 6321492469 in words is "six billion, three hundred twenty-one million, four hundred ninety-two thousand, four hundred sixty-nine".