9750487491 has 12 divisors (see below), whose sum is σ = 14084915832. Its totient is φ = 6499919616.

The previous prime is 9750487429. The next prime is 9750487517. The reversal of 9750487491 is 1947840579.

9750487491 is a `hidden beast` number, since 9 + 75 + 0 + 4 + 87 + 491 = 666.

9750487491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9750487491 - 2⁹ = 9750486979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9750487391) 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, 214900 + ... + 256286.

It is an arithmetic number, because the mean of its divisors is an integer number (1173742986).

Almost surely, 2^9750487491 is an apocalyptic number.

9750487491 is a deficient number, since it is larger than the sum of its proper divisors (4334428341).

9750487491 is a wasteful number, since it uses less digits than its factorization.

9750487491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67570 (or 67567 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 9750487491 is about 98744.5567664365. The cubic root of 9750487491 is about 2136.3649450873.

The spelling of 9750487491 in words is "nine billion, seven hundred fifty million, four hundred eighty-seven thousand, four hundred ninety-one".