70008356309 has 2 divisors, whose sum is σ = 70008356310. Its totient is φ = 70008356308.

The previous prime is 70008356281. The next prime is 70008356329. The reversal of 70008356309 is 90365380007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70001518084 + 6838225 = 264578^2 + 2615^2 .

It is a cyclic number.

It is not a de Polignac number, because 70008356309 - 2⁸ = 70008356053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70008356329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35004178154 + 35004178155.

It is an arithmetic number, because the mean of its divisors is an integer number (35004178155).

Almost surely, 2^70008356309 is an apocalyptic number.

It is an amenable number.

70008356309 is a deficient number, since it is larger than the sum of its proper divisors (1).

70008356309 is an equidigital number, since it uses as much as digits as its factorization.

70008356309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 70008356309 in words is "seventy billion, eight million, three hundred fifty-six thousand, three hundred nine".