41854431549 has 16 divisors (see below), whose sum is σ = 64585502720. Its totient is φ = 23614072560.

The previous prime is 41854431529. The next prime is 41854431559. The reversal of 41854431549 is 94513445814.

It is not a de Polignac number, because 41854431549 - 2¹⁶ = 41854366013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41854431498 and 41854431507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41854431529) 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, 12612697 + ... + 12616014.

It is an arithmetic number, because the mean of its divisors is an integer number (4036593920).

Almost surely, 2^41854431549 is an apocalyptic number.

It is an amenable number.

41854431549 is a deficient number, since it is larger than the sum of its proper divisors (22731071171).

41854431549 is a wasteful number, since it uses less digits than its factorization.

41854431549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25228800.

The product of its digits is 1382400, while the sum is 48.

The spelling of 41854431549 in words is "forty-one billion, eight hundred fifty-four million, four hundred thirty-one thousand, five hundred forty-nine".