449825864677 has 16 divisors (see below), whose sum is σ = 563097000960. Its totient is φ = 350371461888.

The previous prime is 449825864639. The next prime is 449825864701. The reversal of 449825864677 is 776468528944.

It is not a de Polignac number, because 449825864677 - 2¹⁵ = 449825831909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449825864627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65169813 + ... + 65176714.

It is an arithmetic number, because the mean of its divisors is an integer number (35193562560).

Almost surely, 2^449825864677 is an apocalyptic number.

It is an amenable number.

449825864677 is a deficient number, since it is larger than the sum of its proper divisors (113271136283).

449825864677 is a wasteful number, since it uses less digits than its factorization.

449825864677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130346580.

The product of its digits is 650280960, while the sum is 70.

The spelling of 449825864677 in words is "four hundred forty-nine billion, eight hundred twenty-five million, eight hundred sixty-four thousand, six hundred seventy-seven".