476987753449 has 27 divisors (see below), whose sum is σ = 495239481093. Its totient is φ = 459404673312.

The previous prime is 476987753447. The next prime is 476987753477. The reversal of 476987753449 is 944357789674.

The square root of 476987753449 is 690643.

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

It can be written as a sum of positive squares in 4 ways, for example, as 114639849 + 476873113600 = 10707^2 + 690560^2 .

It is not a de Polignac number, because 476987753449 - 2¹ = 476987753447 is a prime.

It is a super-2 number, since 2×476987753449² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (476987753447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3038138479 + ... + 3038138635.

Almost surely, 2^476987753449 is an apocalyptic number.

476987753449 is the 690643-rd square number.

476987753449 is the 345322-nd centered octagonal number.

It is an amenable number.

476987753449 is a deficient number, since it is larger than the sum of its proper divisors (18251727644).

476987753449 is an frugal number, since it uses more digits than its factorization.

476987753449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 293 counting only the distinct ones).

The product of its digits is 1280240640, while the sum is 73.

The spelling of 476987753449 in words is "four hundred seventy-six billion, nine hundred eighty-seven million, seven hundred fifty-three thousand, four hundred forty-nine".