471449849778 has 12 divisors (see below), whose sum is σ = 1021474674558. Its totient is φ = 157149949920.

The previous prime is 471449849737. The next prime is 471449849779. The reversal of 471449849778 is 877948944174.

471449849778 is a `hidden beast` number, since 4 + 7 + 1 + 44 + 98 + 497 + 7 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 377852401809 + 93597447969 = 614697^2 + 305937^2 .

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 5 ways as a sum of consecutive naturals, for example, 13095829143 + ... + 13095829178.

Almost surely, 2^471449849778 is an apocalyptic number.

471449849778 is an abundant number, since it is smaller than the sum of its proper divisors (550024824780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

471449849778 is a wasteful number, since it uses less digits than its factorization.

471449849778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26191658329 (or 26191658326 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 72.

The spelling of 471449849778 in words is "four hundred seventy-one billion, four hundred forty-nine million, eight hundred forty-nine thousand, seven hundred seventy-eight".