70000648789 has 2 divisors, whose sum is σ = 70000648790. Its totient is φ = 70000648788.

The previous prime is 70000648769. The next prime is 70000648793. The reversal of 70000648789 is 98784600007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68908875025 + 1091773764 = 262505^2 + 33042^2 .

It is a cyclic number.

It is not a de Polignac number, because 70000648789 - 2⁷ = 70000648661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70000648769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000324394 + 35000324395.

It is an arithmetic number, because the mean of its divisors is an integer number (35000324395).

Almost surely, 2^70000648789 is an apocalyptic number.

It is an amenable number.

70000648789 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000648789 is an equidigital number, since it uses as much as digits as its factorization.

70000648789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 70000648789 in words is "seventy billion, six hundred forty-eight thousand, seven hundred eighty-nine".