2646612645 has 32 divisors (see below), whose sum is σ = 4571078400. Its totient is φ = 1303593984.

The previous prime is 2646612643. The next prime is 2646612653. The reversal of 2646612645 is 5462166462.

It is not a de Polignac number, because 2646612645 - 2¹ = 2646612643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2646612597 and 2646612606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646612641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122260 + ... + 142269.

It is an arithmetic number, because the mean of its divisors is an integer number (142846200).

Almost surely, 2^2646612645 is an apocalyptic number.

It is an amenable number.

2646612645 is a deficient number, since it is larger than the sum of its proper divisors (1924465755).

2646612645 is a wasteful number, since it uses less digits than its factorization.

2646612645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264589.

The product of its digits is 414720, while the sum is 42.

The square root of 2646612645 is about 51445.2392841165. The cubic root of 2646612645 is about 1383.2376277073.

The spelling of 2646612645 in words is "two billion, six hundred forty-six million, six hundred twelve thousand, six hundred forty-five".