71519761933 has 2 divisors, whose sum is σ = 71519761934. Its totient is φ = 71519761932.

The previous prime is 71519761927. The next prime is 71519762003. The reversal of 71519761933 is 33916791517.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48117493449 + 23402268484 = 219357^2 + 152978^2 .

It is a cyclic number.

It is not a de Polignac number, because 71519761933 - 2⁹ = 71519761421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71519701933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35759880966 + 35759880967.

It is an arithmetic number, because the mean of its divisors is an integer number (35759880967).

Almost surely, 2^71519761933 is an apocalyptic number.

It is an amenable number.

71519761933 is a deficient number, since it is larger than the sum of its proper divisors (1).

71519761933 is an equidigital number, since it uses as much as digits as its factorization.

71519761933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1071630, while the sum is 52.

The spelling of 71519761933 in words is "seventy-one billion, five hundred nineteen million, seven hundred sixty-one thousand, nine hundred thirty-three".