65858914988 has 6 divisors (see below), whose sum is σ = 115253101236. Its totient is φ = 32929457492.

The previous prime is 65858914981. The next prime is 65858914993. The reversal of 65858914988 is 88941985856.

It is a super-2 number, since 2×65858914988² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (65858914981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232364370 + ... + 8232364377.

It is an arithmetic number, because the mean of its divisors is an integer number (19208850206).

Almost surely, 2^65858914988 is an apocalyptic number.

It is an amenable number.

65858914988 is a deficient number, since it is larger than the sum of its proper divisors (49394186248).

65858914988 is a wasteful number, since it uses less digits than its factorization.

65858914988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16464728751 (or 16464728749 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 71.

The spelling of 65858914988 in words is "sixty-five billion, eight hundred fifty-eight million, nine hundred fourteen thousand, nine hundred eighty-eight".