9131309456 has 10 divisors (see below), whose sum is σ = 17691912102. Its totient is φ = 4565654720.

The previous prime is 9131309443. The next prime is 9131309471. The reversal of 9131309456 is 6549031319.

It can be written as a sum of positive squares in only one way, i.e., 7126061056 + 2005248400 = 84416^2 + 44780^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285353405 + ... + 285353436.

Almost surely, 2^9131309456 is an apocalyptic number.

It is an amenable number.

9131309456 is a deficient number, since it is larger than the sum of its proper divisors (8560602646).

9131309456 is a wasteful number, since it uses less digits than its factorization.

9131309456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570706849 (or 570706843 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 9131309456 is about 95557.8853679800. The cubic root of 9131309456 is about 2090.1511193126.

The spelling of 9131309456 in words is "nine billion, one hundred thirty-one million, three hundred nine thousand, four hundred fifty-six".