2646283815 has 24 divisors (see below), whose sum is σ = 5242162848. Its totient is φ = 1209729600.

The previous prime is 2646283811. The next prime is 2646283823. The reversal of 2646283815 is 5183826462.

2646283815 is a `hidden beast` number, since 2 + 6 + 4 + 628 + 3 + 8 + 15 = 666.

It is not a de Polignac number, because 2646283815 - 2² = 2646283811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646283811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4200136 + ... + 4200765.

It is an arithmetic number, because the mean of its divisors is an integer number (218423452).

Almost surely, 2^2646283815 is an apocalyptic number.

2646283815 is a deficient number, since it is larger than the sum of its proper divisors (2595879033).

2646283815 is a wasteful number, since it uses less digits than its factorization.

2646283815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400919 (or 8400916 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 2646283815 is about 51442.0432622966. The cubic root of 2646283815 is about 1383.1803382674.

The spelling of 2646283815 in words is "two billion, six hundred forty-six million, two hundred eighty-three thousand, eight hundred fifteen".