709854646139 has 2 divisors, whose sum is σ = 709854646140. Its totient is φ = 709854646138.

The previous prime is 709854646051. The next prime is 709854646183. The reversal of 709854646139 is 931646458907.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 709854646139 - 2³² = 705559678843 is a prime.

It is not a weakly prime, because it can be changed into another prime (709854646199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354927323069 + 354927323070.

It is an arithmetic number, because the mean of its divisors is an integer number (354927323070).

Almost surely, 2^709854646139 is an apocalyptic number.

709854646139 is a deficient number, since it is larger than the sum of its proper divisors (1).

709854646139 is an equidigital number, since it uses as much as digits as its factorization.

709854646139 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 709854646139 in words is "seven hundred nine billion, eight hundred fifty-four million, six hundred forty-six thousand, one hundred thirty-nine".