71487522163 has 2 divisors, whose sum is σ = 71487522164. Its totient is φ = 71487522162.

The previous prime is 71487522091. The next prime is 71487522191. The reversal of 71487522163 is 36122578417.

It is a strong prime.

It is an emirp because it is prime and its reverse (36122578417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71487522163 - 2²⁹ = 70950651251 is a prime.

It is a super-2 number, since 2×71487522163² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71487522763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35743761081 + 35743761082.

It is an arithmetic number, because the mean of its divisors is an integer number (35743761082).

Almost surely, 2^71487522163 is an apocalyptic number.

71487522163 is a deficient number, since it is larger than the sum of its proper divisors (1).

71487522163 is an equidigital number, since it uses as much as digits as its factorization.

71487522163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The spelling of 71487522163 in words is "seventy-one billion, four hundred eighty-seven million, five hundred twenty-two thousand, one hundred sixty-three".