449251225127 has 4 divisors (see below), whose sum is σ = 449280361656. Its totient is φ = 449222088600.

The previous prime is 449251225117. The next prime is 449251225201. The reversal of 449251225127 is 721522152944.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 449251225127 - 2²⁴ = 449234447911 is a prime.

It is a super-2 number, since 2×449251225127² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449251225117) 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, 14545124 + ... + 14575977.

It is an arithmetic number, because the mean of its divisors is an integer number (112320090414).

Almost surely, 2^449251225127 is an apocalyptic number.

449251225127 is a deficient number, since it is larger than the sum of its proper divisors (29136529).

449251225127 is a wasteful number, since it uses less digits than its factorization.

449251225127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29136528.

The product of its digits is 403200, while the sum is 44.

The spelling of 449251225127 in words is "four hundred forty-nine billion, two hundred fifty-one million, two hundred twenty-five thousand, one hundred twenty-seven".