914868505 has 4 divisors (see below), whose sum is σ = 1097842212. Its totient is φ = 731894800.

The previous prime is 914868439. The next prime is 914868509. The reversal of 914868505 is 505868419.

914868505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 723986649 + 190881856 = 26907^2 + 13816^2 .

It is a de Polignac number, because none of the positive numbers 2^k-914868505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (914868509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91486846 + ... + 91486855.

It is an arithmetic number, because the mean of its divisors is an integer number (274460553).

Almost surely, 2^914868505 is an apocalyptic number.

It is an amenable number.

914868505 is a deficient number, since it is larger than the sum of its proper divisors (182973707).

914868505 is a wasteful number, since it uses less digits than its factorization.

914868505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182973706.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 914868505 is about 30246.7933011088. The cubic root of 914868505 is about 970.7771803109. Note that the first 3 decimals are identical.

The spelling of 914868505 in words is "nine hundred fourteen million, eight hundred sixty-eight thousand, five hundred five".