449142994684036 has 9 divisors (see below), whose sum is σ = 786000314872549. Its totient is φ = 224571476149024.

The previous prime is 449142994683997. The next prime is 449142994684073. The reversal of 449142994684036 is 630486499241944.

The square root of 449142994684036 is 21192994.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 433611072288900 + 15531922395136 = 20823330^2 + 3941056^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449142994684036.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37087740 + ... + 47684236.

Almost surely, 2^{449142994684036} is an apocalyptic number.

449142994684036 is the 21192994-th square number.

It is an amenable number.

449142994684036 is a deficient number, since it is larger than the sum of its proper divisors (336857320188513).

449142994684036 is an frugal number, since it uses more digits than its factorization.

449142994684036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21192998 (or 10596499 counting only the distinct ones).

The product of its (nonzero) digits is 1289945088, while the sum is 73.

The spelling of 449142994684036 in words is "four hundred forty-nine trillion, one hundred forty-two billion, nine hundred ninety-four million, six hundred eighty-four thousand, thirty-six".