9958739213 has 8 divisors (see below), whose sum is σ = 10549199232. Its totient is φ = 9368796096.

The previous prime is 9958739209. The next prime is 9958739221. The reversal of 9958739213 is 3129378599.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9958739213 - 2² = 9958739209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9958730213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89195 + ... + 166952.

It is an arithmetic number, because the mean of its divisors is an integer number (1318649904).

Almost surely, 2^9958739213 is an apocalyptic number.

It is an amenable number.

9958739213 is a deficient number, since it is larger than the sum of its proper divisors (590460019).

9958739213 is a wasteful number, since it uses less digits than its factorization.

9958739213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258451.

The product of its digits is 3674160, while the sum is 56.

The square root of 9958739213 is about 99793.4828182682. The cubic root of 9958739213 is about 2151.4674829439.

The spelling of 9958739213 in words is "nine billion, nine hundred fifty-eight million, seven hundred thirty-nine thousand, two hundred thirteen".