71310367069 has 2 divisors, whose sum is σ = 71310367070. Its totient is φ = 71310367068.

The previous prime is 71310367049. The next prime is 71310367097. The reversal of 71310367069 is 96076301317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55607770969 + 15702596100 = 235813^2 + 125310^2 .

It is a cyclic number.

It is not a de Polignac number, because 71310367069 - 2¹⁵ = 71310334301 is a prime.

It is a super-2 number, since 2×71310367069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71310367049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35655183534 + 35655183535.

It is an arithmetic number, because the mean of its divisors is an integer number (35655183535).

Almost surely, 2^71310367069 is an apocalyptic number.

It is an amenable number.

71310367069 is a deficient number, since it is larger than the sum of its proper divisors (1).

71310367069 is an equidigital number, since it uses as much as digits as its factorization.

71310367069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 71310367069 in words is "seventy-one billion, three hundred ten million, three hundred sixty-seven thousand, sixty-nine".