2645241018321 has 32 divisors (see below), whose sum is σ = 3903057377280. Its totient is φ = 1580093222400.

The previous prime is 2645241018313. The next prime is 2645241018323. The reversal of 2645241018321 is 1238101425462.

It is not a de Polignac number, because 2645241018321 - 2³ = 2645241018313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2645241018321.

It is not an unprimeable number, because it can be changed into a prime (2645241018323) 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, 7246836 + ... + 7603098.

It is an arithmetic number, because the mean of its divisors is an integer number (121970543040).

Almost surely, 2^{2645241018321} is an apocalyptic number.

It is an amenable number.

2645241018321 is a deficient number, since it is larger than the sum of its proper divisors (1257816358959).

2645241018321 is a wasteful number, since it uses less digits than its factorization.

2645241018321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359517.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 2645241018321 in words is "two trillion, six hundred forty-five billion, two hundred forty-one million, eighteen thousand, three hundred twenty-one".