449387702343 has 24 divisors (see below), whose sum is σ = 671748714000. Its totient is φ = 289153423104.

The previous prime is 449387702287. The next prime is 449387702369. The reversal of 449387702343 is 343207783944.

449387702343 is a `hidden beast` number, since 4 + 493 + 87 + 70 + 2 + 3 + 4 + 3 = 666.

It is not a de Polignac number, because 449387702343 - 2¹⁰ = 449387701319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449387702343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449387702143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385471 + ... + 1023407.

It is an arithmetic number, because the mean of its divisors is an integer number (27989529750).

Almost surely, 2^449387702343 is an apocalyptic number.

449387702343 is a deficient number, since it is larger than the sum of its proper divisors (222361011657).

449387702343 is a wasteful number, since it uses less digits than its factorization.

449387702343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640671 (or 640668 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 54.

The spelling of 449387702343 in words is "four hundred forty-nine billion, three hundred eighty-seven million, seven hundred two thousand, three hundred forty-three".