6455522909 has 6 divisors (see below), whose sum is σ = 7095740190. Its totient is φ = 5868657080.

The previous prime is 6455522891. The next prime is 6455522921. The reversal of 6455522909 is 9092255546.

It can be written as a sum of positive squares in only one way, i.e., 5383156900 + 1072366009 = 73370^2 + 32747^2 .

It is not a de Polignac number, because 6455522909 - 2⁸ = 6455522653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455522809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26675594 + ... + 26675835.

It is an arithmetic number, because the mean of its divisors is an integer number (1182623365).

Almost surely, 2^6455522909 is an apocalyptic number.

It is an amenable number.

6455522909 is a deficient number, since it is larger than the sum of its proper divisors (640217281).

6455522909 is a wasteful number, since it uses less digits than its factorization.

6455522909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53351451 (or 53351440 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The square root of 6455522909 is about 80346.2687932676. The cubic root of 6455522909 is about 1861.9891339078.

The spelling of 6455522909 in words is "six billion, four hundred fifty-five million, five hundred twenty-two thousand, nine hundred nine".