700440439 has 2 divisors, whose sum is σ = 700440440. Its totient is φ = 700440438.

The previous prime is 700440401. The next prime is 700440457. The reversal of 700440439 is 934044007.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700440439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 700440439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700444439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350220219 + 350220220.

It is an arithmetic number, because the mean of its divisors is an integer number (350220220).

Almost surely, 2^700440439 is an apocalyptic number.

700440439 is a deficient number, since it is larger than the sum of its proper divisors (1).

700440439 is an equidigital number, since it uses as much as digits as its factorization.

700440439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 700440439 is about 26465.8353164981. The cubic root of 700440439 is about 888.0901853424.

The spelling of 700440439 in words is "seven hundred million, four hundred forty thousand, four hundred thirty-nine".