449155670027 has 4 divisors (see below), whose sum is σ = 449474447640. Its totient is φ = 448836892416.

The previous prime is 449155669973. The next prime is 449155670077. The reversal of 449155670027 is 720076551944.

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 449155670027 - 2⁸ = 449155669771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449155670077) 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, 159386693 + ... + 159389510.

It is an arithmetic number, because the mean of its divisors is an integer number (112368611910).

Almost surely, 2^449155670027 is an apocalyptic number.

449155670027 is a deficient number, since it is larger than the sum of its proper divisors (318777613).

449155670027 is a wasteful number, since it uses less digits than its factorization.

449155670027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318777612.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 449155670027 in words is "four hundred forty-nine billion, one hundred fifty-five million, six hundred seventy thousand, twenty-seven".