531012059649 has 12 divisors (see below), whose sum is σ = 791759917312. Its totient is φ = 342588425400.

The previous prime is 531012059629. The next prime is 531012059701. The reversal of 531012059649 is 946950210135.

531012059649 is a `hidden beast` number, since 5 + 3 + 1 + 0 + 12 + 0 + 596 + 49 = 666.

It is not a de Polignac number, because 531012059649 - 2⁷ = 531012059521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (531012059629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 951634237 + ... + 951634794.

Almost surely, 2^531012059649 is an apocalyptic number.

It is an amenable number.

531012059649 is a deficient number, since it is larger than the sum of its proper divisors (260747857663).

531012059649 is a wasteful number, since it uses less digits than its factorization.

531012059649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903269068 (or 1903269065 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 531012059649 in words is "five hundred thirty-one billion, twelve million, fifty-nine thousand, six hundred forty-nine".