5431771298 has 16 divisors (see below), whose sum is σ = 8277443160. Its totient is φ = 2672787456.

The previous prime is 5431771297. The next prime is 5431771363. The reversal of 5431771298 is 8921771345.

It can be written as a sum of positive squares in 4 ways, for example, as 5157106969 + 274664329 = 71813^2 + 16573^2 .

It is not an unprimeable number, because it can be changed into a prime (5431771297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26018 + ... + 107426.

Almost surely, 2^5431771298 is an apocalyptic number.

5431771298 is a deficient number, since it is larger than the sum of its proper divisors (2845671862).

5431771298 is a wasteful number, since it uses less digits than its factorization.

5431771298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81941.

The product of its digits is 423360, while the sum is 47.

The square root of 5431771298 is about 73700.5515447476. The cubic root of 5431771298 is about 1757.8446517341.

Adding to 5431771298 its sum of digits (47), we get a palindrome (5431771345).

The spelling of 5431771298 in words is "five billion, four hundred thirty-one million, seven hundred seventy-one thousand, two hundred ninety-eight".