71000422496909 has 2 divisors, whose sum is σ = 71000422496910. Its totient is φ = 71000422496908.

The previous prime is 71000422496891. The next prime is 71000422496929. The reversal of 71000422496909 is 90969422400017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64298795934409 + 6701626562500 = 8018653^2 + 2588750^2 .

It is a cyclic number.

It is not a de Polignac number, because 71000422496909 - 2³⁶ = 70931703020173 is a prime.

It is a super-2 number, since 2×71000422496909² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71000422496929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35500211248454 + 35500211248455.

It is an arithmetic number, because the mean of its divisors is an integer number (35500211248455).

Almost surely, 2^{71000422496909} is an apocalyptic number.

It is an amenable number.

71000422496909 is a deficient number, since it is larger than the sum of its proper divisors (1).

71000422496909 is an equidigital number, since it uses as much as digits as its factorization.

71000422496909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 71000422496909 in words is "seventy-one trillion, four hundred twenty-two million, four hundred ninety-six thousand, nine hundred nine".