2538240869443 has 8 divisors (see below), whose sum is σ = 2542617743600. Its totient is φ = 2533867303968.

The previous prime is 2538240869377. The next prime is 2538240869473. The reversal of 2538240869443 is 3449680428352.

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

It is a cyclic number.

It is not a de Polignac number, because 2538240869443 - 2¹³ = 2538240861251 is a prime.

It is a super-2 number, since 2×2538240869443² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538240869473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710905 + ... + 2362597.

It is an arithmetic number, because the mean of its divisors is an integer number (317827217950).

Almost surely, 2^{2538240869443} is an apocalyptic number.

2538240869443 is a deficient number, since it is larger than the sum of its proper divisors (4376874157).

2538240869443 is a wasteful number, since it uses less digits than its factorization.

2538240869443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654341.

The product of its (nonzero) digits is 39813120, while the sum is 58.

The spelling of 2538240869443 in words is "two trillion, five hundred thirty-eight billion, two hundred forty million, eight hundred sixty-nine thousand, four hundred forty-three".