2646468243 has 12 divisors (see below), whose sum is σ = 3824373280. Its totient is φ = 1763528976.

The previous prime is 2646468241. The next prime is 2646468247. The reversal of 2646468243 is 3428646462.

It is not a de Polignac number, because 2646468243 - 2¹ = 2646468241 is a prime.

It is a super-2 number, since 2×2646468243² = 14007588322415014098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2646468241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43483 + ... + 84756.

Almost surely, 2^2646468243 is an apocalyptic number.

2646468243 is a deficient number, since it is larger than the sum of its proper divisors (1177905037).

2646468243 is a wasteful number, since it uses less digits than its factorization.

2646468243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130538 (or 130535 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 45.

The square root of 2646468243 is about 51443.8358114945. The cubic root of 2646468243 is about 1383.2124702778.

The spelling of 2646468243 in words is "two billion, six hundred forty-six million, four hundred sixty-eight thousand, two hundred forty-three".