71696635433 has 2 divisors, whose sum is σ = 71696635434. Its totient is φ = 71696635432.

The previous prime is 71696635427. The next prime is 71696635453. The reversal of 71696635433 is 33453669617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71525758249 + 170877184 = 267443^2 + 13072^2 .

It is a cyclic number.

It is not a de Polignac number, because 71696635433 - 2¹⁶ = 71696569897 is a prime.

It is a super-2 number, since 2×71696635433² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71696635453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35848317716 + 35848317717.

It is an arithmetic number, because the mean of its divisors is an integer number (35848317717).

Almost surely, 2^71696635433 is an apocalyptic number.

It is an amenable number.

71696635433 is a deficient number, since it is larger than the sum of its proper divisors (1).

71696635433 is an equidigital number, since it uses as much as digits as its factorization.

71696635433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 53.

The spelling of 71696635433 in words is "seventy-one billion, six hundred ninety-six million, six hundred thirty-five thousand, four hundred thirty-three".