449945477 has 4 divisors (see below), whose sum is σ = 476412876. Its totient is φ = 423478080.

The previous prime is 449945459. The next prime is 449945491. The reversal of 449945477 is 774549944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 159617956 + 290327521 = 12634^2 + 17039^2 .

It is a cyclic number.

It is not a de Polignac number, because 449945477 - 2⁶ = 449945413 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 (449945417) 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, 13233674 + ... + 13233707.

It is an arithmetic number, because the mean of its divisors is an integer number (119103219).

Almost surely, 2^449945477 is an apocalyptic number.

It is an amenable number.

449945477 is a deficient number, since it is larger than the sum of its proper divisors (26467399).

449945477 is a wasteful number, since it uses less digits than its factorization.

449945477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26467398.

The product of its digits is 5080320, while the sum is 53.

The square root of 449945477 is about 21211.9182772327. The cubic root of 449945477 is about 766.2784818923.

The spelling of 449945477 in words is "four hundred forty-nine million, nine hundred forty-five thousand, four hundred seventy-seven".