531434914487 has 2 divisors, whose sum is σ = 531434914488. Its totient is φ = 531434914486.

The previous prime is 531434914453. The next prime is 531434914513. The reversal of 531434914487 is 784419434135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531434914487 - 2²⁸ = 531166479031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531434914447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265717457243 + 265717457244.

It is an arithmetic number, because the mean of its divisors is an integer number (265717457244).

Almost surely, 2^531434914487 is an apocalyptic number.

531434914487 is a deficient number, since it is larger than the sum of its proper divisors (1).

531434914487 is an equidigital number, since it uses as much as digits as its factorization.

531434914487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 53.

The spelling of 531434914487 in words is "five hundred thirty-one billion, four hundred thirty-four million, nine hundred fourteen thousand, four hundred eighty-seven".