71072071619 has 2 divisors, whose sum is σ = 71072071620. Its totient is φ = 71072071618.

The previous prime is 71072071613. The next prime is 71072071627. The reversal of 71072071619 is 91617027017.

It is a weak prime.

It is an emirp because it is prime and its reverse (91617027017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71072071619 - 2²⁰ = 71071023043 is a prime.

It is a super-2 number, since 2×71072071619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71072071613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35536035809 + 35536035810.

It is an arithmetic number, because the mean of its divisors is an integer number (35536035810).

Almost surely, 2^71072071619 is an apocalyptic number.

71072071619 is a deficient number, since it is larger than the sum of its proper divisors (1).

71072071619 is an equidigital number, since it uses as much as digits as its factorization.

71072071619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 41.

The spelling of 71072071619 in words is "seventy-one billion, seventy-two million, seventy-one thousand, six hundred nineteen".