9400000521 has 16 divisors (see below), whose sum is σ = 12971122560. Its totient is φ = 6047959680.

The previous prime is 9400000481. The next prime is 9400000529. The reversal of 9400000521 is 1250000049.

9400000521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-9400000521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9400000529) 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, 190236 + ... + 234498.

It is an arithmetic number, because the mean of its divisors is an integer number (810695160).

Almost surely, 2^9400000521 is an apocalyptic number.

It is an amenable number.

9400000521 is a deficient number, since it is larger than the sum of its proper divisors (3571122039).

9400000521 is a wasteful number, since it uses less digits than its factorization.

9400000521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46736.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 9400000521 is about 96953.5998351789. The cubic root of 9400000521 is about 2110.4543334812.

The spelling of 9400000521 in words is "nine billion, four hundred million, five hundred twenty-one", and thus it is an aban number.