449208797597 has 4 divisors (see below), whose sum is σ = 513381482976. Its totient is φ = 385036112220.

The previous prime is 449208797593. The next prime is 449208797633. The reversal of 449208797597 is 795797802944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 449208797597 - 2² = 449208797593 is a prime.

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 449208797597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449208797591) 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, 32086342679 + ... + 32086342692.

It is an arithmetic number, because the mean of its divisors is an integer number (128345370744).

Almost surely, 2^449208797597 is an apocalyptic number.

It is an amenable number.

449208797597 is a deficient number, since it is larger than the sum of its proper divisors (64172685379).

449208797597 is an equidigital number, since it uses as much as digits as its factorization.

449208797597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64172685378.

The product of its (nonzero) digits is 320060160, while the sum is 71.

The spelling of 449208797597 in words is "four hundred forty-nine billion, two hundred eight million, seven hundred ninety-seven thousand, five hundred ninety-seven".