449070170123 has 4 divisors (see below), whose sum is σ = 449088148608. Its totient is φ = 449052191640.

The previous prime is 449070170063. The next prime is 449070170173. The reversal of 449070170123 is 321071070944.

It is a happy number.

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-449070170123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449070170173) 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, 8951723 + ... + 9001748.

It is an arithmetic number, because the mean of its divisors is an integer number (112272037152).

Almost surely, 2^449070170123 is an apocalyptic number.

449070170123 is a deficient number, since it is larger than the sum of its proper divisors (17978485).

449070170123 is a wasteful number, since it uses less digits than its factorization.

449070170123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17978484.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 449070170123 in words is "four hundred forty-nine billion, seventy million, one hundred seventy thousand, one hundred twenty-three".