70577365409 has 2 divisors, whose sum is σ = 70577365410. Its totient is φ = 70577365408.

The previous prime is 70577365351. The next prime is 70577365423. The reversal of 70577365409 is 90456377507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60502224784 + 10075140625 = 245972^2 + 100375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70577365409 is a prime.

It is not a weakly prime, because it can be changed into another prime (70577365489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35288682704 + 35288682705.

It is an arithmetic number, because the mean of its divisors is an integer number (35288682705).

Almost surely, 2^70577365409 is an apocalyptic number.

It is an amenable number.

70577365409 is a deficient number, since it is larger than the sum of its proper divisors (1).

70577365409 is an equidigital number, since it uses as much as digits as its factorization.

70577365409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5556600, while the sum is 53.

The spelling of 70577365409 in words is "seventy billion, five hundred seventy-seven million, three hundred sixty-five thousand, four hundred nine".