531477420473 has 16 divisors (see below), whose sum is σ = 544920055680. Its totient is φ = 518084937216.

The previous prime is 531477420449. The next prime is 531477420517. The reversal of 531477420473 is 374024774135.

It is not a de Polignac number, because 531477420473 - 2⁸ = 531477420217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531477420073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63049223 + ... + 63057651.

It is an arithmetic number, because the mean of its divisors is an integer number (34057503480).

Almost surely, 2^531477420473 is an apocalyptic number.

It is an amenable number.

531477420473 is a deficient number, since it is larger than the sum of its proper divisors (13442635207).

531477420473 is a wasteful number, since it uses less digits than its factorization.

531477420473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11216.

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 531477420473 in words is "five hundred thirty-one billion, four hundred seventy-seven million, four hundred twenty thousand, four hundred seventy-three".