70039509343 has 2 divisors, whose sum is σ = 70039509344. Its totient is φ = 70039509342.

The previous prime is 70039509313. The next prime is 70039509367. The reversal of 70039509343 is 34390593007.

It is a strong prime.

It is an emirp because it is prime and its reverse (34390593007) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70039509343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70039509343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70039509313) 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, 35019754671 + 35019754672.

It is an arithmetic number, because the mean of its divisors is an integer number (35019754672).

Almost surely, 2^70039509343 is an apocalyptic number.

70039509343 is a deficient number, since it is larger than the sum of its proper divisors (1).

70039509343 is an equidigital number, since it uses as much as digits as its factorization.

70039509343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 43.

The spelling of 70039509343 in words is "seventy billion, thirty-nine million, five hundred nine thousand, three hundred forty-three".