689696593463 has 2 divisors, whose sum is σ = 689696593464. Its totient is φ = 689696593462.

The previous prime is 689696593351. The next prime is 689696593511. The reversal of 689696593463 is 364395696986.

689696593463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-689696593463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (689696593063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344848296731 + 344848296732.

It is an arithmetic number, because the mean of its divisors is an integer number (344848296732).

Almost surely, 2^689696593463 is an apocalyptic number.

689696593463 is a deficient number, since it is larger than the sum of its proper divisors (1).

689696593463 is an equidigital number, since it uses as much as digits as its factorization.

689696593463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360488960, while the sum is 74.

The spelling of 689696593463 in words is "six hundred eighty-nine billion, six hundred ninety-six million, five hundred ninety-three thousand, four hundred sixty-three".