2642847465 has 32 divisors (see below), whose sum is σ = 4455475200. Its totient is φ = 1334024640.

The previous prime is 2642847461. The next prime is 2642847481. The reversal of 2642847465 is 5647482462.

It is not a de Polignac number, because 2642847465 - 2² = 2642847461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642847461) 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 31 ways as a sum of consecutive naturals, for example, 329776 + ... + 337694.

It is an arithmetic number, because the mean of its divisors is an integer number (139233600).

Almost surely, 2^2642847465 is an apocalyptic number.

It is an amenable number.

2642847465 is a deficient number, since it is larger than the sum of its proper divisors (1812627735).

2642847465 is a wasteful number, since it uses less digits than its factorization.

2642847465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117.

The product of its digits is 2580480, while the sum is 48.

The square root of 2642847465 is about 51408.6322031621. The cubic root of 2642847465 is about 1382.5813661540.

The spelling of 2642847465 in words is "two billion, six hundred forty-two million, eight hundred forty-seven thousand, four hundred sixty-five".