5426431687 has 2 divisors, whose sum is σ = 5426431688. Its totient is φ = 5426431686.

The previous prime is 5426431669. The next prime is 5426431723. The reversal of 5426431687 is 7861346245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5426431687 - 2¹⁵ = 5426398919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5426431987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713215843 + 2713215844.

It is an arithmetic number, because the mean of its divisors is an integer number (2713215844).

Almost surely, 2^5426431687 is an apocalyptic number.

5426431687 is a deficient number, since it is larger than the sum of its proper divisors (1).

5426431687 is an equidigital number, since it uses as much as digits as its factorization.

5426431687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 46.

The square root of 5426431687 is about 73664.3175967849. The cubic root of 5426431687 is about 1757.2684563916.

The spelling of 5426431687 in words is "five billion, four hundred twenty-six million, four hundred thirty-one thousand, six hundred eighty-seven".