2918793897 has 12 divisors (see below), whose sum is σ = 4287494640. Its totient is φ = 1912881528.

The previous prime is 2918793799. The next prime is 2918793907. The reversal of 2918793897 is 7983978192.

It is not a de Polignac number, because 2918793897 - 2¹⁰ = 2918792873 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2918795897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2747863 + ... + 2748924.

It is an arithmetic number, because the mean of its divisors is an integer number (357291220).

Almost surely, 2^2918793897 is an apocalyptic number.

It is an amenable number.

2918793897 is a deficient number, since it is larger than the sum of its proper divisors (1368700743).

2918793897 is a wasteful number, since it uses less digits than its factorization.

2918793897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496852 (or 5496849 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 63.

The square root of 2918793897 is about 54025.8632230897. The cubic root of 2918793897 is about 1429.1170804492.

The spelling of 2918793897 in words is "two billion, nine hundred eighteen million, seven hundred ninety-three thousand, eight hundred ninety-seven".