9958490428 has 24 divisors (see below), whose sum is σ = 17681518512. Its totient is φ = 4907111424.

The previous prime is 9958490383. The next prime is 9958490429. The reversal of 9958490428 is 8240948599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9958490429) 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 7 ways as a sum of consecutive naturals, for example, 22326 + ... + 142882.

It is an arithmetic number, because the mean of its divisors is an integer number (736729938).

Almost surely, 2^9958490428 is an apocalyptic number.

It is an amenable number.

9958490428 is a deficient number, since it is larger than the sum of its proper divisors (7723028084).

9958490428 is a wasteful number, since it uses less digits than its factorization.

9958490428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120861 (or 120859 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The square root of 9958490428 is about 99792.2363112482. The cubic root of 9958490428 is about 2151.4495671120.

The spelling of 9958490428 in words is "nine billion, nine hundred fifty-eight million, four hundred ninety thousand, four hundred twenty-eight".