69798689773 has 2 divisors, whose sum is σ = 69798689774. Its totient is φ = 69798689772.

The previous prime is 69798689771. The next prime is 69798689827. The reversal of 69798689773 is 37798689796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39211128324 + 30587561449 = 198018^2 + 174893^2 .

It is a cyclic number.

It is not a de Polignac number, because 69798689773 - 2¹ = 69798689771 is a prime.

Together with 69798689771, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 69798689693 and 69798689702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69798689771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34899344886 + 34899344887.

It is an arithmetic number, because the mean of its divisors is an integer number (34899344887).

Almost surely, 2^69798689773 is an apocalyptic number.

It is an amenable number.

69798689773 is a deficient number, since it is larger than the sum of its proper divisors (1).

69798689773 is an equidigital number, since it uses as much as digits as its factorization.

69798689773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728324864, while the sum is 79.

The spelling of 69798689773 in words is "sixty-nine billion, seven hundred ninety-eight million, six hundred eighty-nine thousand, seven hundred seventy-three".