6465962549 has 2 divisors, whose sum is σ = 6465962550. Its totient is φ = 6465962548.

The previous prime is 6465962539. The next prime is 6465962551. The reversal of 6465962549 is 9452695646.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5778736324 + 687226225 = 76018^2 + 26215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6465962549 is a prime.

Together with 6465962551, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6465962494 and 6465962503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6465962519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232981274 + 3232981275.

It is an arithmetic number, because the mean of its divisors is an integer number (3232981275).

Almost surely, 2^6465962549 is an apocalyptic number.

It is an amenable number.

6465962549 is a deficient number, since it is larger than the sum of its proper divisors (1).

6465962549 is an equidigital number, since it uses as much as digits as its factorization.

6465962549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 56.

The square root of 6465962549 is about 80411.2091004731. The cubic root of 6465962549 is about 1862.9923073407.

The spelling of 6465962549 in words is "six billion, four hundred sixty-five million, nine hundred sixty-two thousand, five hundred forty-nine".