9131356984 has 96 divisors (see below), whose sum is σ = 19056718800. Its totient is φ = 4085199360.

The previous prime is 9131356973. The next prime is 9131356987. The reversal of 9131356984 is 4896531319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9131356987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45886117 + ... + 45886315.

Almost surely, 2^9131356984 is an apocalyptic number.

It is an amenable number.

9131356984 is an abundant number, since it is smaller than the sum of its proper divisors (9925361816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9131356984 is a wasteful number, since it uses less digits than its factorization.

9131356984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 298 counting only the distinct ones).

The product of its digits is 699840, while the sum is 49.

The square root of 9131356984 is about 95558.1340546162. The cubic root of 9131356984 is about 2090.1547456830.

The spelling of 9131356984 in words is "nine billion, one hundred thirty-one million, three hundred fifty-six thousand, nine hundred eighty-four".