71497343153 has 2 divisors, whose sum is σ = 71497343154. Its totient is φ = 71497343152.

The previous prime is 71497343111. The next prime is 71497343167. The reversal of 71497343153 is 35134379417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43920423184 + 27576919969 = 209572^2 + 166063^2 .

It is a cyclic number.

It is not a de Polignac number, because 71497343153 - 2⁶ = 71497343089 is a prime.

It is a super-2 number, since 2×71497343153² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71497343098 and 71497343107.

It is not a weakly prime, because it can be changed into another prime (71497343053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35748671576 + 35748671577.

It is an arithmetic number, because the mean of its divisors is an integer number (35748671577).

Almost surely, 2^71497343153 is an apocalyptic number.

It is an amenable number.

71497343153 is a deficient number, since it is larger than the sum of its proper divisors (1).

71497343153 is an equidigital number, since it uses as much as digits as its factorization.

71497343153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 47.

The spelling of 71497343153 in words is "seventy-one billion, four hundred ninety-seven million, three hundred forty-three thousand, one hundred fifty-three".