531903889063 has 2 divisors, whose sum is σ = 531903889064. Its totient is φ = 531903889062.

The previous prime is 531903889031. The next prime is 531903889079. The reversal of 531903889063 is 360988309135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531903889063 - 2⁵ = 531903889031 is a prime.

It is a super-2 number, since 2×531903889063² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531903888995 and 531903889013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531903884063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265951944531 + 265951944532.

It is an arithmetic number, because the mean of its divisors is an integer number (265951944532).

Almost surely, 2^531903889063 is an apocalyptic number.

531903889063 is a deficient number, since it is larger than the sum of its proper divisors (1).

531903889063 is an equidigital number, since it uses as much as digits as its factorization.

531903889063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 531903889063 in words is "five hundred thirty-one billion, nine hundred three million, eight hundred eighty-nine thousand, sixty-three".