700607909 has 2 divisors, whose sum is σ = 700607910. Its totient is φ = 700607908.

The previous prime is 700607863. The next prime is 700607923. The reversal of 700607909 is 909706007.

700607909 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 can be written as a sum of positive squares in only one way, i.e., 683822500 + 16785409 = 26150^2 + 4097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700607909 is a prime.

It is equal to p_36282782 and since 700607909 and 36282782 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700600909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350303954 + 350303955.

It is an arithmetic number, because the mean of its divisors is an integer number (350303955).

Almost surely, 2^700607909 is an apocalyptic number.

It is an amenable number.

700607909 is a deficient number, since it is larger than the sum of its proper divisors (1).

700607909 is an equidigital number, since it uses as much as digits as its factorization.

700607909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 700607909 is about 26468.9990177188. Note that the first 3 decimals coincide. The cubic root of 700607909 is about 888.1609582463.

The spelling of 700607909 in words is "seven hundred million, six hundred seven thousand, nine hundred nine".