691300441 has 16 divisors (see below), whose sum is σ = 752169600. Its totient is φ = 631566720.

The previous prime is 691300433. The next prime is 691300447. The reversal of 691300441 is 144003196.

It is a cyclic number.

It is not a de Polignac number, because 691300441 - 2³ = 691300433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (691300447) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 658485 + ... + 659533.

It is an arithmetic number, because the mean of its divisors is an integer number (47010600).

Almost surely, 2^691300441 is an apocalyptic number.

It is an amenable number.

691300441 is a deficient number, since it is larger than the sum of its proper divisors (60869159).

691300441 is a wasteful number, since it uses less digits than its factorization.

691300441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 691300441 is about 26292.5928922957. The cubic root of 691300441 is about 884.2103848920.

The spelling of 691300441 in words is "six hundred ninety-one million, three hundred thousand, four hundred forty-one".