8958849813 has 12 divisors (see below), whose sum is σ = 12944171968. Its totient is φ = 5970899880.

The previous prime is 8958849803. The next prime is 8958849821. The reversal of 8958849813 is 3189488598.

It is a happy number.

8958849813 is a `hidden beast` number, since 8 + 9 + 588 + 49 + 8 + 1 + 3 = 666.

It is not a de Polignac number, because 8958849813 - 2⁴ = 8958849797 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 (8958849803) 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, 104395 + ... + 169752.

Almost surely, 2^8958849813 is an apocalyptic number.

It is an amenable number.

8958849813 is a deficient number, since it is larger than the sum of its proper divisors (3985322155).

8958849813 is a wasteful number, since it uses less digits than its factorization.

8958849813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277784 (or 277781 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 63.

The square root of 8958849813 is about 94651.2008006238. The cubic root of 8958849813 is about 2076.9087628418.

The spelling of 8958849813 in words is "eight billion, nine hundred fifty-eight million, eight hundred forty-nine thousand, eight hundred thirteen".