695389209941 has 2 divisors, whose sum is σ = 695389209942. Its totient is φ = 695389209940.

The previous prime is 695389209929. The next prime is 695389209947. The reversal of 695389209941 is 149902983596.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 500485502500 + 194903707441 = 707450^2 + 441479^2 .

It is a cyclic number.

It is not a de Polignac number, because 695389209941 - 2¹⁸ = 695388947797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695389209947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347694604970 + 347694604971.

It is an arithmetic number, because the mean of its divisors is an integer number (347694604971).

Almost surely, 2^695389209941 is an apocalyptic number.

It is an amenable number.

695389209941 is a deficient number, since it is larger than the sum of its proper divisors (1).

695389209941 is an equidigital number, since it uses as much as digits as its factorization.

695389209941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37791360, while the sum is 65.

The spelling of 695389209941 in words is "six hundred ninety-five billion, three hundred eighty-nine million, two hundred nine thousand, nine hundred forty-one".