2641543085438 has 8 divisors (see below), whose sum is σ = 3963765502200. Its totient is φ = 1320287918040.

The previous prime is 2641543085393. The next prime is 2641543085449. The reversal of 2641543085438 is 8345803451462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2641543085438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241805513 + ... + 241816436.

It is an arithmetic number, because the mean of its divisors is an integer number (495470687775).

Almost surely, 2^{2641543085438} is an apocalyptic number.

2641543085438 is a deficient number, since it is larger than the sum of its proper divisors (1322222416762).

2641543085438 is a wasteful number, since it uses less digits than its factorization.

2641543085438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483624682.

The product of its (nonzero) digits is 11059200, while the sum is 53.

The spelling of 2641543085438 in words is "two trillion, six hundred forty-one billion, five hundred forty-three million, eighty-five thousand, four hundred thirty-eight".