2662281815 has 12 divisors (see below), whose sum is σ = 3204022104. Its totient is φ = 2123646336.

The previous prime is 2662281799. The next prime is 2662281841. The reversal of 2662281815 is 5181822662.

It is a happy number.

It is not a de Polignac number, because 2662281815 - 2⁴ = 2662281799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2638031 + ... + 2639039.

It is an arithmetic number, because the mean of its divisors is an integer number (267001842).

Almost surely, 2^2662281815 is an apocalyptic number.

2662281815 is a deficient number, since it is larger than the sum of its proper divisors (541740289).

2662281815 is an frugal number, since it uses more digits than its factorization.

2662281815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546 (or 1537 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 2662281815 is about 51597.3043385020. The cubic root of 2662281815 is about 1385.9620601353.

The spelling of 2662281815 in words is "two billion, six hundred sixty-two million, two hundred eighty-one thousand, eight hundred fifteen".