2662412321 has 4 divisors (see below), whose sum is σ = 2663185044. Its totient is φ = 2661639600.

The previous prime is 2662412281. The next prime is 2662412329. The reversal of 2662412321 is 1232142662.

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

It can be written as a sum of positive squares in 2 ways, for example, as 766680721 + 1895731600 = 27689^2 + 43540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2662412321 - 2³⁰ = 1588670497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2662412329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381170 + ... + 388091.

It is an arithmetic number, because the mean of its divisors is an integer number (665796261).

Almost surely, 2^2662412321 is an apocalyptic number.

It is an amenable number.

2662412321 is a deficient number, since it is larger than the sum of its proper divisors (772723).

2662412321 is an equidigital number, since it uses as much as digits as its factorization.

2662412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772722.

The product of its digits is 6912, while the sum is 29.

The square root of 2662412321 is about 51598.5689820948. The cubic root of 2662412321 is about 1385.9847065494.

Adding to 2662412321 its reverse (1232142662), we get a palindrome (3894554983).

The spelling of 2662412321 in words is "two billion, six hundred sixty-two million, four hundred twelve thousand, three hundred twenty-one".