2646627893 has 16 divisors (see below), whose sum is σ = 3265637760. Its totient is φ = 2088732096.

The previous prime is 2646627877. The next prime is 2646627931. The reversal of 2646627893 is 3987266462.

It is a cyclic number.

It is not a de Polignac number, because 2646627893 - 2⁴ = 2646627877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646627833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503 + ... + 72756.

It is an arithmetic number, because the mean of its divisors is an integer number (204102360).

Almost surely, 2^2646627893 is an apocalyptic number.

It is an amenable number.

2646627893 is a deficient number, since it is larger than the sum of its proper divisors (619009867).

2646627893 is a wasteful number, since it uses less digits than its factorization.

2646627893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73676.

The product of its digits is 5225472, while the sum is 53.

The square root of 2646627893 is about 51445.3874803174. The cubic root of 2646627893 is about 1383.2402841301.

The spelling of 2646627893 in words is "two billion, six hundred forty-six million, six hundred twenty-seven thousand, eight hundred ninety-three".