477974501449 has 9 divisors (see below), whose sum is σ = 499676168173. Its totient is φ = 457177791532.

The previous prime is 477974501447. The next prime is 477974501549. The reversal of 477974501449 is 944105479774.

The square root of 477974501449 is 691357.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 477974501449 - 2¹ = 477974501447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477974501441) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15886182 + ... + 15916240.

Almost surely, 2^477974501449 is an apocalyptic number.

477974501449 is the 691357-th square number.

477974501449 is the 345679-th centered octagonal number.

It is an amenable number.

477974501449 is a deficient number, since it is larger than the sum of its proper divisors (21701666724).

477974501449 is an frugal number, since it uses more digits than its factorization.

477974501449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60164 (or 30082 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 477974501449 in words is "four hundred seventy-seven billion, nine hundred seventy-four million, five hundred one thousand, four hundred forty-nine".