449388476915 has 16 divisors (see below), whose sum is σ = 616315096512. Its totient is φ = 308146648704.

The previous prime is 449388476899. The next prime is 449388476939. The reversal of 449388476915 is 519674883944.

It is a cyclic number.

It is not a de Polignac number, because 449388476915 - 2⁴ = 449388476899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3663557 + ... + 3784233.

It is an arithmetic number, because the mean of its divisors is an integer number (38519693532).

Almost surely, 2^449388476915 is an apocalyptic number.

449388476915 is a deficient number, since it is larger than the sum of its proper divisors (166926619597).

449388476915 is a wasteful number, since it uses less digits than its factorization.

449388476915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227086.

The product of its digits is 209018880, while the sum is 68.

The spelling of 449388476915 in words is "four hundred forty-nine billion, three hundred eighty-eight million, four hundred seventy-six thousand, nine hundred fifteen".