71050947419 has 2 divisors, whose sum is σ = 71050947420. Its totient is φ = 71050947418.

The previous prime is 71050947397. The next prime is 71050947481. The reversal of 71050947419 is 91474905017.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71050947419 - 2¹² = 71050943323 is a prime.

It is a super-2 number, since 2×71050947419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71050247419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35525473709 + 35525473710.

It is an arithmetic number, because the mean of its divisors is an integer number (35525473710).

Almost surely, 2^71050947419 is an apocalyptic number.

71050947419 is a deficient number, since it is larger than the sum of its proper divisors (1).

71050947419 is an equidigital number, since it uses as much as digits as its factorization.

71050947419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 71050947419 in words is "seventy-one billion, fifty million, nine hundred forty-seven thousand, four hundred nineteen".