389576692693 has 2 divisors, whose sum is σ = 389576692694. Its totient is φ = 389576692692.

The previous prime is 389576692691. The next prime is 389576692727. The reversal of 389576692693 is 396296675983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381895572529 + 7681120164 = 617977^2 + 87642^2 .

It is a cyclic number.

It is not a de Polignac number, because 389576692693 - 2¹ = 389576692691 is a prime.

Together with 389576692691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389576692691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194788346346 + 194788346347.

It is an arithmetic number, because the mean of its divisors is an integer number (194788346347).

Almost surely, 2^389576692693 is an apocalyptic number.

It is an amenable number.

389576692693 is a deficient number, since it is larger than the sum of its proper divisors (1).

389576692693 is an equidigital number, since it uses as much as digits as its factorization.

389576692693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793618560, while the sum is 73.

The spelling of 389576692693 in words is "three hundred eighty-nine billion, five hundred seventy-six million, six hundred ninety-two thousand, six hundred ninety-three".