471449849777 has 4 divisors (see below), whose sum is σ = 471766473060. Its totient is φ = 471133226496.

The previous prime is 471449849737. The next prime is 471449849779. The reversal of 471449849777 is 777948944174.

It is a happy number.

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 333926802496 + 137523047281 = 577864^2 + 370841^2 .

It is a cyclic number.

It is not a de Polignac number, because 471449849777 - 2¹⁸ = 471449587633 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 471449849777.

It is not an unprimeable number, because it can be changed into a prime (471449849779) 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, 158309408 + ... + 158312385.

It is an arithmetic number, because the mean of its divisors is an integer number (117941618265).

Almost surely, 2^471449849777 is an apocalyptic number.

It is an amenable number.

471449849777 is a deficient number, since it is larger than the sum of its proper divisors (316623283).

471449849777 is a wasteful number, since it uses less digits than its factorization.

471449849777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316623282.

The product of its digits is 398297088, while the sum is 71.

The spelling of 471449849777 in words is "four hundred seventy-one billion, four hundred forty-nine million, eight hundred forty-nine thousand, seven hundred seventy-seven".