5531431769 has 4 divisors (see below), whose sum is σ = 5531581860. Its totient is φ = 5531281680.

The previous prime is 5531431757. The next prime is 5531431793. The reversal of 5531431769 is 9671341355.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5459436544 + 71995225 = 73888^2 + 8485^2 .

It is a cyclic number.

It is not a de Polignac number, because 5531431769 - 2¹² = 5531427673 is a prime.

It is a super-2 number, since 2×5531431769² = 61193474830204938722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5531431709) 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, 22499 + ... + 107559.

It is an arithmetic number, because the mean of its divisors is an integer number (1382895465).

Almost surely, 2^5531431769 is an apocalyptic number.

It is an amenable number.

5531431769 is a deficient number, since it is larger than the sum of its proper divisors (150091).

5531431769 is an equidigital number, since it uses as much as digits as its factorization.

5531431769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150090.

The product of its digits is 340200, while the sum is 44.

The square root of 5531431769 is about 74373.5959127969. The cubic root of 5531431769 is about 1768.5303609467.

The spelling of 5531431769 in words is "five billion, five hundred thirty-one million, four hundred thirty-one thousand, seven hundred sixty-nine".