694457041 has 4 divisors (see below), whose sum is σ = 694585584. Its totient is φ = 694328500.

The previous prime is 694456967. The next prime is 694457053. The reversal of 694457041 is 140754496.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 694457041 - 2¹¹ = 694454993 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 694456985 and 694457003.

It is not an unprimeable number, because it can be changed into a prime (694457341) 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 3 ways as a sum of consecutive naturals, for example, 55795 + ... + 67096.

It is an arithmetic number, because the mean of its divisors is an integer number (173646396).

Almost surely, 2^694457041 is an apocalyptic number.

It is an amenable number.

694457041 is a deficient number, since it is larger than the sum of its proper divisors (128543).

694457041 is a wasteful number, since it uses less digits than its factorization.

694457041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128542.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 694457041 is about 26352.5528364901. The cubic root of 694457041 is about 885.5541619549.

The spelling of 694457041 in words is "six hundred ninety-four million, four hundred fifty-seven thousand, forty-one".