441865785011543 has 16 divisors (see below), whose sum is σ = 470584750106016. Its totient is φ = 413451191531520.

The previous prime is 441865785011537. The next prime is 441865785011549. The reversal of 441865785011543 is 345110587568144.

It is an interprime number because it is at equal distance from previous prime (441865785011537) and next prime (441865785011549).

It is a cyclic number.

It is not a de Polignac number, because 441865785011543 - 2¹⁶ = 441865784946007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441865785011549) 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, 11478521 + ... + 31866722.

It is an arithmetic number, because the mean of its divisors is an integer number (29411546881626).

Almost surely, 2^{441865785011543} is an apocalyptic number.

441865785011543 is a deficient number, since it is larger than the sum of its proper divisors (28718965094473).

441865785011543 is a wasteful number, since it uses less digits than its factorization.

441865785011543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43348754.

The product of its (nonzero) digits is 64512000, while the sum is 62.

The spelling of 441865785011543 in words is "four hundred forty-one trillion, eight hundred sixty-five billion, seven hundred eighty-five million, eleven thousand, five hundred forty-three".