449246259181 has 4 divisors (see below), whose sum is σ = 449359508992. Its totient is φ = 449133009372.

The previous prime is 449246259151. The next prime is 449246259199. The reversal of 449246259181 is 181952642944.

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 449246259181 - 2¹⁵ = 449246226413 is a prime.

It is a super-2 number, since 2×449246259181² (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 (449246259131) 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, 56618955 + ... + 56626888.

It is an arithmetic number, because the mean of its divisors is an integer number (112339877248).

Almost surely, 2^449246259181 is an apocalyptic number.

It is an amenable number.

449246259181 is a deficient number, since it is larger than the sum of its proper divisors (113249811).

449246259181 is a wasteful number, since it uses less digits than its factorization.

449246259181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113249810.

The product of its digits is 4976640, while the sum is 55.

The spelling of 449246259181 in words is "four hundred forty-nine billion, two hundred forty-six million, two hundred fifty-nine thousand, one hundred eighty-one".