449681356611 has 12 divisors (see below), whose sum is σ = 649891434192. Its totient is φ = 299625249456.

The previous prime is 449681356601. The next prime is 449681356651. The reversal of 449681356611 is 116653186944.

449681356611 is a `hidden beast` number, since 4 + 4 + 9 + 6 + 8 + 13 + 5 + 6 + 611 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-449681356611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449681356601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13509256 + ... + 13542501.

It is an arithmetic number, because the mean of its divisors is an integer number (54157619516).

Almost surely, 2^449681356611 is an apocalyptic number.

449681356611 is a deficient number, since it is larger than the sum of its proper divisors (200210077581).

449681356611 is a wasteful number, since it uses less digits than its factorization.

449681356611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27053610 (or 27053607 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 449681356611 in words is "four hundred forty-nine billion, six hundred eighty-one million, three hundred fifty-six thousand, six hundred eleven".