449914567543 has 16 divisors (see below), whose sum is σ = 515560573440. Its totient is φ = 384612228000.

The previous prime is 449914567541. The next prime is 449914567559. The reversal of 449914567543 is 345765419944.

It is not a de Polignac number, because 449914567543 - 2¹ = 449914567541 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 (449914567541) 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, 10939368 + ... + 10980418.

It is an arithmetic number, because the mean of its divisors is an integer number (32222535840).

Almost surely, 2^449914567543 is an apocalyptic number.

449914567543 is a deficient number, since it is larger than the sum of its proper divisors (65646005897).

449914567543 is a wasteful number, since it uses less digits than its factorization.

449914567543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45198.

The product of its digits is 65318400, while the sum is 61.

The spelling of 449914567543 in words is "four hundred forty-nine billion, nine hundred fourteen million, five hundred sixty-seven thousand, five hundred forty-three".