71023061633 has 2 divisors, whose sum is σ = 71023061634. Its totient is φ = 71023061632.

The previous prime is 71023061563. The next prime is 71023061647. The reversal of 71023061633 is 33616032017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63810296449 + 7212765184 = 252607^2 + 84928^2 .

It is a cyclic number.

It is not a de Polignac number, because 71023061633 - 2¹² = 71023057537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71023061633.

It is not a weakly prime, because it can be changed into another prime (71023061653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35511530816 + 35511530817.

It is an arithmetic number, because the mean of its divisors is an integer number (35511530817).

Almost surely, 2^71023061633 is an apocalyptic number.

It is an amenable number.

71023061633 is a deficient number, since it is larger than the sum of its proper divisors (1).

71023061633 is an equidigital number, since it uses as much as digits as its factorization.

71023061633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 71023061633 in words is "seventy-one billion, twenty-three million, sixty-one thousand, six hundred thirty-three".