914645509985 has 16 divisors (see below), whose sum is σ = 1112829294720. Its totient is φ = 721605576960.

The previous prime is 914645509957. The next prime is 914645509991. The reversal of 914645509985 is 589905546419.

It is not a de Polignac number, because 914645509985 - 2²² = 914641315681 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3560555 + ... + 3808784.

It is an arithmetic number, because the mean of its divisors is an integer number (69551830920).

Almost surely, 2^914645509985 is an apocalyptic number.

It is an amenable number.

914645509985 is a deficient number, since it is larger than the sum of its proper divisors (198183784735).

914645509985 is a wasteful number, since it uses less digits than its factorization.

914645509985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369688.

The product of its (nonzero) digits is 69984000, while the sum is 65.

The spelling of 914645509985 in words is "nine hundred fourteen billion, six hundred forty-five million, five hundred nine thousand, nine hundred eighty-five".