449012915967 has 32 divisors (see below), whose sum is σ = 756923940864. Its totient is φ = 229968194400.

The previous prime is 449012915957. The next prime is 449012915977. The reversal of 449012915967 is 769519210944.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (449012915957) and next prime (449012915977).

It is not a de Polignac number, because 449012915967 - 2⁴ = 449012915951 is a prime.

It is a super-2 number, since 2×449012915967² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449012915957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13672183 + ... + 13704984.

It is an arithmetic number, because the mean of its divisors is an integer number (23653873152).

Almost surely, 2^449012915967 is an apocalyptic number.

449012915967 is a deficient number, since it is larger than the sum of its proper divisors (307911024897).

449012915967 is a wasteful number, since it uses less digits than its factorization.

449012915967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27377259.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 449012915967 in words is "four hundred forty-nine billion, twelve million, nine hundred fifteen thousand, nine hundred sixty-seven".