2645213403575 has 12 divisors (see below), whose sum is σ = 3280544304048. Its totient is φ = 2115861249600.

The previous prime is 2645213403557. The next prime is 2645213403589. The reversal of 2645213403575 is 5753043125462.

It is a happy number.

It is not a de Polignac number, because 2645213403575 - 2¹⁴ = 2645213387191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7562387 + ... + 7904436.

It is an arithmetic number, because the mean of its divisors is an integer number (273378692004).

Almost surely, 2^{2645213403575} is an apocalyptic number.

2645213403575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2645213403575 is a deficient number, since it is larger than the sum of its proper divisors (635330900473).

2645213403575 is a wasteful number, since it uses less digits than its factorization.

2645213403575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15473674 (or 15473669 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 2645213403575 in words is "two trillion, six hundred forty-five billion, two hundred thirteen million, four hundred three thousand, five hundred seventy-five".