707070989 has 2 divisors, whose sum is σ = 707070990. Its totient is φ = 707070988.

The previous prime is 707070983. The next prime is 707071019. The reversal of 707070989 is 989070707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695113225 + 11957764 = 26365^2 + 3458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-707070989 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (707070983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353535494 + 353535495.

It is an arithmetic number, because the mean of its divisors is an integer number (353535495).

Almost surely, 2^707070989 is an apocalyptic number.

It is an amenable number.

707070989 is a deficient number, since it is larger than the sum of its proper divisors (1).

707070989 is an equidigital number, since it uses as much as digits as its factorization.

707070989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 707070989 is about 26590.8064751711. The cubic root of 707070989 is about 890.8836861103.

The spelling of 707070989 in words is "seven hundred seven million, seventy thousand, nine hundred eighty-nine".