4138854068531 has 16 divisors (see below), whose sum is σ = 5094152980224. Its totient is φ = 3274582819104.

The previous prime is 4138854068509. The next prime is 4138854068551. The reversal of 4138854068531 is 1358604588314.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4138854068531 is a prime.

It is a super-2 number, since 2×4138854068531² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4138854068551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1858016 + ... + 3424898.

It is an arithmetic number, because the mean of its divisors is an integer number (318384561264).

Almost surely, 2^{4138854068531} is an apocalyptic number.

4138854068531 is a deficient number, since it is larger than the sum of its proper divisors (955298911693).

4138854068531 is a wasteful number, since it uses less digits than its factorization.

4138854068531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595930.

The product of its (nonzero) digits is 11059200, while the sum is 56.

The spelling of 4138854068531 in words is "four trillion, one hundred thirty-eight billion, eight hundred fifty-four million, sixty-eight thousand, five hundred thirty-one".