2669455487 has 4 divisors (see below), whose sum is σ = 2669933856. Its totient is φ = 2668977120.

The previous prime is 2669455471. The next prime is 2669455499. The reversal of 2669455487 is 7845549662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2669455487 - 2⁴ = 2669455471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669458487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230714 + ... + 242007.

It is an arithmetic number, because the mean of its divisors is an integer number (667483464).

Almost surely, 2^2669455487 is an apocalyptic number.

2669455487 is a deficient number, since it is larger than the sum of its proper divisors (478369).

2669455487 is an equidigital number, since it uses as much as digits as its factorization.

2669455487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478368.

The product of its digits is 14515200, while the sum is 56.

The square root of 2669455487 is about 51666.7735299970. The cubic root of 2669455487 is about 1387.2057952845.

The spelling of 2669455487 in words is "two billion, six hundred sixty-nine million, four hundred fifty-five thousand, four hundred eighty-seven".