71609775382583 has 2 divisors, whose sum is σ = 71609775382584. Its totient is φ = 71609775382582.

The previous prime is 71609775382573. The next prime is 71609775382591. The reversal of 71609775382583 is 38528357790617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71609775382583 - 2²² = 71609771188279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71609775382573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35804887691291 + 35804887691292.

It is an arithmetic number, because the mean of its divisors is an integer number (35804887691292).

Almost surely, 2^{71609775382583} is an apocalyptic number.

71609775382583 is a deficient number, since it is larger than the sum of its proper divisors (1).

71609775382583 is an equidigital number, since it uses as much as digits as its factorization.

71609775382583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 533433600, while the sum is 71.

The spelling of 71609775382583 in words is "seventy-one trillion, six hundred nine billion, seven hundred seventy-five million, three hundred eighty-two thousand, five hundred eighty-three".