2918316813 has 8 divisors (see below), whose sum is σ = 3891341568. Its totient is φ = 1945418304.

The previous prime is 2918316727. The next prime is 2918316847. The reversal of 2918316813 is 3186138192.

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

It is not a de Polignac number, because 2918316813 - 2⁹ = 2918316301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2918316113) 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, 62020 + ... + 98402.

It is an arithmetic number, because the mean of its divisors is an integer number (486417696).

Almost surely, 2^2918316813 is an apocalyptic number.

It is an amenable number.

2918316813 is a deficient number, since it is larger than the sum of its proper divisors (973024755).

2918316813 is a wasteful number, since it uses less digits than its factorization.

2918316813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63123.

The product of its digits is 62208, while the sum is 42.

The square root of 2918316813 is about 54021.4477129223. The cubic root of 2918316813 is about 1429.0392119793.

The spelling of 2918316813 in words is "two billion, nine hundred eighteen million, three hundred sixteen thousand, eight hundred thirteen".