9913813955 has 8 divisors (see below), whose sum is σ = 12098214000. Its totient is φ = 7796626336.

The previous prime is 9913813831. The next prime is 9913813957. The reversal of 9913813955 is 5593183199.

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 9913813955 - 2¹⁶ = 9913748419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9913813897 and 9913813906.

It is not an unprimeable number, because it can be changed into a prime (9913813957) 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, 16802780 + ... + 16803369.

It is an arithmetic number, because the mean of its divisors is an integer number (1512276750).

Almost surely, 2^9913813955 is an apocalyptic number.

9913813955 is a deficient number, since it is larger than the sum of its proper divisors (2184400045).

9913813955 is a wasteful number, since it uses less digits than its factorization.

9913813955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33606213.

The product of its digits is 1312200, while the sum is 53.

The square root of 9913813955 is about 99568.1372478164. The cubic root of 9913813955 is about 2148.2274162124.

The spelling of 9913813955 in words is "nine billion, nine hundred thirteen million, eight hundred thirteen thousand, nine hundred fifty-five".