71015080769 has 2 divisors, whose sum is σ = 71015080770. Its totient is φ = 71015080768.

The previous prime is 71015080753. The next prime is 71015080777. The reversal of 71015080769 is 96708051017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38439523600 + 32575557169 = 196060^2 + 180487^2 .

It is a cyclic number.

It is not a de Polignac number, because 71015080769 - 2⁴ = 71015080753 is a prime.

It is a super-2 number, since 2×71015080769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71015080729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35507540384 + 35507540385.

It is an arithmetic number, because the mean of its divisors is an integer number (35507540385).

Almost surely, 2^71015080769 is an apocalyptic number.

It is an amenable number.

71015080769 is a deficient number, since it is larger than the sum of its proper divisors (1).

71015080769 is an equidigital number, since it uses as much as digits as its factorization.

71015080769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 71015080769 in words is "seventy-one billion, fifteen million, eighty thousand, seven hundred sixty-nine".