13845975880438 has 16 divisors (see below), whose sum is σ = 22366663366320. Its totient is φ = 6390425565216.

The previous prime is 13845975880351. The next prime is 13845975880439. The reversal of 13845975880438 is 83408857954831.

It is a happy number.

It is a super-2 number, since 2×13845975880438² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845975880439) 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, 6942168 + ... + 8711236.

It is an arithmetic number, because the mean of its divisors is an integer number (1397916460395).

Almost surely, 2^{13845975880438} is an apocalyptic number.

13845975880438 is a deficient number, since it is larger than the sum of its proper divisors (8520687485882).

13845975880438 is a wasteful number, since it uses less digits than its factorization.

13845975880438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070111.

The product of its (nonzero) digits is 928972800, while the sum is 73.

The spelling of 13845975880438 in words is "thirteen trillion, eight hundred forty-five billion, nine hundred seventy-five million, eight hundred eighty thousand, four hundred thirty-eight".