5691620680693 has 2 divisors, whose sum is σ = 5691620680694. Its totient is φ = 5691620680692.

The previous prime is 5691620680673. The next prime is 5691620680709. The reversal of 5691620680693 is 3960860261965.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3368627085924 + 2322993594769 = 1835382^2 + 1524137^2 .

It is a cyclic number.

It is not a de Polignac number, because 5691620680693 - 2²⁹ = 5691083809781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5691620680643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845810340346 + 2845810340347.

It is an arithmetic number, because the mean of its divisors is an integer number (2845810340347).

Almost surely, 2^{5691620680693} is an apocalyptic number.

It is an amenable number.

5691620680693 is a deficient number, since it is larger than the sum of its proper divisors (1).

5691620680693 is an equidigital number, since it uses as much as digits as its factorization.

5691620680693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 5691620680693 in words is "five trillion, six hundred ninety-one billion, six hundred twenty million, six hundred eighty thousand, six hundred ninety-three".