449491518763 has 8 divisors (see below), whose sum is σ = 518250652128. Its totient is φ = 381868900224.

The previous prime is 449491518757. The next prime is 449491518779. The reversal of 449491518763 is 367815194944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449491518763 - 2¹³ = 449491510571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449491518793) 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, 284127856 + ... + 284129437.

It is an arithmetic number, because the mean of its divisors is an integer number (64781331516).

Almost surely, 2^449491518763 is an apocalyptic number.

449491518763 is a deficient number, since it is larger than the sum of its proper divisors (68759133365).

449491518763 is a wasteful number, since it uses less digits than its factorization.

449491518763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568257413.

The product of its digits is 26127360, while the sum is 61.

The spelling of 449491518763 in words is "four hundred forty-nine billion, four hundred ninety-one million, five hundred eighteen thousand, seven hundred sixty-three".