689007348539 has 2 divisors, whose sum is σ = 689007348540. Its totient is φ = 689007348538.

The previous prime is 689007348467. The next prime is 689007348583. The reversal of 689007348539 is 935843700986.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-689007348539 is a prime.

It is a super-2 number, since 2×689007348539² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (689007348599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344503674269 + 344503674270.

It is an arithmetic number, because the mean of its divisors is an integer number (344503674270).

Almost surely, 2^689007348539 is an apocalyptic number.

689007348539 is a deficient number, since it is larger than the sum of its proper divisors (1).

689007348539 is an equidigital number, since it uses as much as digits as its factorization.

689007348539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 689007348539 in words is "six hundred eighty-nine billion, seven million, three hundred forty-eight thousand, five hundred thirty-nine".