85340711419 has 2 divisors, whose sum is σ = 85340711420. Its totient is φ = 85340711418.

The previous prime is 85340711413. The next prime is 85340711507. The reversal of 85340711419 is 91411704358.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85340711419 - 2²³ = 85332322811 is a prime.

It is a super-2 number, since 2×85340711419² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85340711413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42670355709 + 42670355710.

It is an arithmetic number, because the mean of its divisors is an integer number (42670355710).

Almost surely, 2^85340711419 is an apocalyptic number.

85340711419 is a deficient number, since it is larger than the sum of its proper divisors (1).

85340711419 is an equidigital number, since it uses as much as digits as its factorization.

85340711419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 85340711419 in words is "eighty-five billion, three hundred forty million, seven hundred eleven thousand, four hundred nineteen".