2646468253 has 32 divisors (see below), whose sum is σ = 3210641280. Its totient is φ = 2148975360.

The previous prime is 2646468247. The next prime is 2646468259. The reversal of 2646468253 is 3528646462.

It is an interprime number because it is at equal distance from previous prime (2646468247) and next prime (2646468259).

It is a cyclic number.

It is not a de Polignac number, because 2646468253 - 2²¹ = 2644371101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646468259) 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, 1041058 + ... + 1043596.

It is an arithmetic number, because the mean of its divisors is an integer number (100332540).

Almost surely, 2^2646468253 is an apocalyptic number.

It is an amenable number.

2646468253 is a deficient number, since it is larger than the sum of its proper divisors (564173027).

2646468253 is a wasteful number, since it uses less digits than its factorization.

2646468253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its digits is 1658880, while the sum is 46.

The square root of 2646468253 is about 51443.8359086878. The cubic root of 2646468253 is about 1383.2124720200.

The spelling of 2646468253 in words is "two billion, six hundred forty-six million, four hundred sixty-eight thousand, two hundred fifty-three".