690093595935761 has 2 divisors, whose sum is σ = 690093595935762. Its totient is φ = 690093595935760.

The previous prime is 690093595935743. The next prime is 690093595935803. The reversal of 690093595935761 is 167539595390096.

690093595935761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534501801297025 + 155591794638736 = 23119295^2 + 12473644^2 .

It is a cyclic number.

It is not a de Polignac number, because 690093595935761 - 2⁴⁶ = 619724851758097 is a prime.

It is not a weakly prime, because it can be changed into another prime (690093595635761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345046797967880 + 345046797967881.

It is an arithmetic number, because the mean of its divisors is an integer number (345046797967881).

Almost surely, 2^{690093595935761} is an apocalyptic number.

It is an amenable number.

690093595935761 is a deficient number, since it is larger than the sum of its proper divisors (1).

690093595935761 is an equidigital number, since it uses as much as digits as its factorization.

690093595935761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1860043500, while the sum is 77.

The spelling of 690093595935761 in words is "six hundred ninety trillion, ninety-three billion, five hundred ninety-five million, nine hundred thirty-five thousand, seven hundred sixty-one".