6455207669 has 6 divisors (see below), whose sum is σ = 6748072086. Its totient is φ = 6174545960.

The previous prime is 6455207659. The next prime is 6455207699. The reversal of 6455207669 is 9667025546.

It can be written as a sum of positive squares in only one way, i.e., 4937170225 + 1518037444 = 70265^2 + 38962^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6455207669 is a prime.

It is a super-2 number, since 2×6455207669² = 83339412099832827122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6455207659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6100802 + ... + 6101859.

It is an arithmetic number, because the mean of its divisors is an integer number (1124678681).

Almost surely, 2^6455207669 is an apocalyptic number.

It is an amenable number.

6455207669 is a deficient number, since it is larger than the sum of its proper divisors (292864417).

6455207669 is a wasteful number, since it uses less digits than its factorization.

6455207669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12202707 (or 12202684 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 50.

The square root of 6455207669 is about 80344.3070105157. The cubic root of 6455207669 is about 1861.9588248211.

The spelling of 6455207669 in words is "six billion, four hundred fifty-five million, two hundred seven thousand, six hundred sixty-nine".