2647023459 has 32 divisors (see below), whose sum is σ = 3707907840. Its totient is φ = 1677513600.

The previous prime is 2647023419. The next prime is 2647023469. The reversal of 2647023459 is 9543207462.

It is not a de Polignac number, because 2647023459 - 2⁷ = 2647023331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2647023459.

It is not an unprimeable number, because it can be changed into a prime (2647023419) 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 31 ways as a sum of consecutive naturals, for example, 1684144 + ... + 1685714.

It is an arithmetic number, because the mean of its divisors is an integer number (115872120).

Almost surely, 2^2647023459 is an apocalyptic number.

2647023459 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2647023459 is a deficient number, since it is larger than the sum of its proper divisors (1060884381).

2647023459 is a wasteful number, since it uses less digits than its factorization.

2647023459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 2647023459 is about 51449.2318601551. The cubic root of 2647023459 is about 1383.3091939014.

The spelling of 2647023459 in words is "two billion, six hundred forty-seven million, twenty-three thousand, four hundred fifty-nine".