6459249322469 has 2 divisors, whose sum is σ = 6459249322470. Its totient is φ = 6459249322468.

The previous prime is 6459249322459. The next prime is 6459249322549. The reversal of 6459249322469 is 9642239429546.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5254808921569 + 1204440400900 = 2292337^2 + 1097470^2 .

It is a cyclic number.

It is not a de Polignac number, because 6459249322469 - 2²⁰ = 6459248273893 is a prime.

It is a super-2 number, since 2×6459249322469² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6459249322459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3229624661234 + 3229624661235.

It is an arithmetic number, because the mean of its divisors is an integer number (3229624661235).

Almost surely, 2^{6459249322469} is an apocalyptic number.

It is an amenable number.

6459249322469 is a deficient number, since it is larger than the sum of its proper divisors (1).

6459249322469 is an equidigital number, since it uses as much as digits as its factorization.

6459249322469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201553920, while the sum is 65.

The spelling of 6459249322469 in words is "six trillion, four hundred fifty-nine billion, two hundred forty-nine million, three hundred twenty-two thousand, four hundred sixty-nine".