449831677 has 4 divisors (see below), whose sum is σ = 469389600. Its totient is φ = 430273756.

The previous prime is 449831663. The next prime is 449831687. The reversal of 449831677 is 776138944.

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 a de Polignac number, because none of the positive numbers 2^k-449831677 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 449831677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449831687) 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, 9778927 + ... + 9778972.

It is an arithmetic number, because the mean of its divisors is an integer number (117347400).

Almost surely, 2^449831677 is an apocalyptic number.

It is an amenable number.

449831677 is a deficient number, since it is larger than the sum of its proper divisors (19557923).

449831677 is a wasteful number, since it uses less digits than its factorization.

449831677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19557922.

The product of its digits is 1016064, while the sum is 49.

The square root of 449831677 is about 21209.2356533657. The cubic root of 449831677 is about 766.2138741798.

The spelling of 449831677 in words is "four hundred forty-nine million, eight hundred thirty-one thousand, six hundred seventy-seven".