449159343787 has 8 divisors (see below), whose sum is σ = 559990870272. Its totient is φ = 349994293800.

The previous prime is 449159343781. The next prime is 449159343833. The reversal of 449159343787 is 787343951944.

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

It is a cyclic number.

It is not a de Polignac number, because 449159343787 - 2²⁷ = 449025126059 is a prime.

It is a super-2 number, since 2×449159343787² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449159343781) 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, 2916619039 + ... + 2916619192.

It is an arithmetic number, because the mean of its divisors is an integer number (69998858784).

Almost surely, 2^449159343787 is an apocalyptic number.

449159343787 is a deficient number, since it is larger than the sum of its proper divisors (110831526485).

449159343787 is a wasteful number, since it uses less digits than its factorization.

449159343787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833238249.

The product of its digits is 91445760, while the sum is 64.

The spelling of 449159343787 in words is "four hundred forty-nine billion, one hundred fifty-nine million, three hundred forty-three thousand, seven hundred eighty-seven".