70584695989 has 2 divisors, whose sum is σ = 70584695990. Its totient is φ = 70584695988.

The previous prime is 70584695977. The next prime is 70584696011. The reversal of 70584695989 is 98959648507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60189262225 + 10395433764 = 245335^2 + 101958^2 .

It is a cyclic number.

It is not a de Polignac number, because 70584695989 - 2⁹ = 70584695477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70584695959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35292347994 + 35292347995.

It is an arithmetic number, because the mean of its divisors is an integer number (35292347995).

Almost surely, 2^70584695989 is an apocalyptic number.

It is an amenable number.

70584695989 is a deficient number, since it is larger than the sum of its proper divisors (1).

70584695989 is an equidigital number, since it uses as much as digits as its factorization.

70584695989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195955200, while the sum is 70.

The spelling of 70584695989 in words is "seventy billion, five hundred eighty-four million, six hundred ninety-five thousand, nine hundred eighty-nine".