449123591467 has 4 divisors (see below), whose sum is σ = 449420828976. Its totient is φ = 448826353960.

The previous prime is 449123591461. The next prime is 449123591471. The reversal of 449123591467 is 764195321944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449123591467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449123591461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148616488 + ... + 148619509.

It is an arithmetic number, because the mean of its divisors is an integer number (112355207244).

Almost surely, 2^449123591467 is an apocalyptic number.

449123591467 is a deficient number, since it is larger than the sum of its proper divisors (297237509).

449123591467 is a wasteful number, since it uses less digits than its factorization.

449123591467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297237508.

The product of its digits is 6531840, while the sum is 55.

The spelling of 449123591467 in words is "four hundred forty-nine billion, one hundred twenty-three million, five hundred ninety-one thousand, four hundred sixty-seven".