70948438709 has 2 divisors, whose sum is σ = 70948438710. Its totient is φ = 70948438708.

The previous prime is 70948438681. The next prime is 70948438739. The reversal of 70948438709 is 90783484907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53280180625 + 17668258084 = 230825^2 + 132922^2 .

It is a cyclic number.

It is not a de Polignac number, because 70948438709 - 2⁸ = 70948438453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70948438739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35474219354 + 35474219355.

It is an arithmetic number, because the mean of its divisors is an integer number (35474219355).

Almost surely, 2^70948438709 is an apocalyptic number.

It is an amenable number.

70948438709 is a deficient number, since it is larger than the sum of its proper divisors (1).

70948438709 is an equidigital number, since it uses as much as digits as its factorization.

70948438709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 70948438709 in words is "seventy billion, nine hundred forty-eight million, four hundred thirty-eight thousand, seven hundred nine".