694848013 has 2 divisors, whose sum is σ = 694848014. Its totient is φ = 694848012.

The previous prime is 694847999. The next prime is 694848017. The reversal of 694848013 is 310848496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604274724 + 90573289 = 24582^2 + 9517^2 .

It is a cyclic number.

It is not a de Polignac number, because 694848013 - 2⁹ = 694847501 is a prime.

It is a super-2 number, since 2×694848013² = 965627522340096338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694848017) 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 as a sum of consecutive naturals, namely, 347424006 + 347424007.

It is an arithmetic number, because the mean of its divisors is an integer number (347424007).

Almost surely, 2^694848013 is an apocalyptic number.

It is an amenable number.

694848013 is a deficient number, since it is larger than the sum of its proper divisors (1).

694848013 is an equidigital number, since it uses as much as digits as its factorization.

694848013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 694848013 is about 26359.9698975549. The cubic root of 694848013 is about 885.7203166665.

The spelling of 694848013 in words is "six hundred ninety-four million, eight hundred forty-eight thousand, thirteen".