2640325064143 has 16 divisors (see below), whose sum is σ = 2943866217600. Its totient is φ = 2351268944640.

The previous prime is 2640325064123. The next prime is 2640325064147. The reversal of 2640325064143 is 3414605230462.

It is a cyclic number.

It is not a de Polignac number, because 2640325064143 - 2²⁵ = 2640291509711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2640325064096 and 2640325064105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640325064147) 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, 2380558 + ... + 3308731.

It is an arithmetic number, because the mean of its divisors is an integer number (183991638600).

Almost surely, 2^{2640325064143} is an apocalyptic number.

2640325064143 is a deficient number, since it is larger than the sum of its proper divisors (303541153457).

2640325064143 is a wasteful number, since it uses less digits than its factorization.

2640325064143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690562.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 2640325064143 in words is "two trillion, six hundred forty billion, three hundred twenty-five million, sixty-four thousand, one hundred forty-three".