694506908141 has 2 divisors, whose sum is σ = 694506908142. Its totient is φ = 694506908140.

The previous prime is 694506908107. The next prime is 694506908189. The reversal of 694506908141 is 141809605496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438481028041 + 256025880100 = 662179^2 + 505990^2 .

It is a cyclic number.

It is not a de Polignac number, because 694506908141 - 2¹⁰ = 694506907117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694506908341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347253454070 + 347253454071.

It is an arithmetic number, because the mean of its divisors is an integer number (347253454071).

Almost surely, 2^694506908141 is an apocalyptic number.

It is an amenable number.

694506908141 is a deficient number, since it is larger than the sum of its proper divisors (1).

694506908141 is an equidigital number, since it uses as much as digits as its factorization.

694506908141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 694506908141 in words is "six hundred ninety-four billion, five hundred six million, nine hundred eight thousand, one hundred forty-one".