694961903 has 2 divisors, whose sum is σ = 694961904. Its totient is φ = 694961902.

The previous prime is 694961899. The next prime is 694961923. The reversal of 694961903 is 309169496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 694961903 - 2² = 694961899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694961923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347480951 + 347480952.

It is an arithmetic number, because the mean of its divisors is an integer number (347480952).

Almost surely, 2^694961903 is an apocalyptic number.

694961903 is a deficient number, since it is larger than the sum of its proper divisors (1).

694961903 is an equidigital number, since it uses as much as digits as its factorization.

694961903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 694961903 is about 26362.1300922365. The cubic root of 694961903 is about 885.7687057502.

The spelling of 694961903 in words is "six hundred ninety-four million, nine hundred sixty-one thousand, nine hundred three".