691114852 has 12 divisors (see below), whose sum is σ = 1226486016. Its totient is φ = 340690280.

The previous prime is 691114843. The next prime is 691114867. The reversal of 691114852 is 258411196.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216468 + ... + 1217035.

It is an arithmetic number, because the mean of its divisors is an integer number (102207168).

Almost surely, 2^691114852 is an apocalyptic number.

It is an amenable number.

691114852 is a deficient number, since it is larger than the sum of its proper divisors (535371164).

691114852 is a wasteful number, since it uses less digits than its factorization.

691114852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433578 (or 2433576 counting only the distinct ones).

The product of its digits is 17280, while the sum is 37.

The square root of 691114852 is about 26289.0633534175. The cubic root of 691114852 is about 884.1312517112.

The spelling of 691114852 in words is "six hundred ninety-one million, one hundred fourteen thousand, eight hundred fifty-two".