85238004419 has 2 divisors, whose sum is σ = 85238004420. Its totient is φ = 85238004418.

The previous prime is 85238004409. The next prime is 85238004433. The reversal of 85238004419 is 91440083258.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85238004419 - 2¹⁶ = 85237938883 is a prime.

It is a super-2 number, since 2×85238004419² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85238004419.

It is not a weakly prime, because it can be changed into another prime (85238004409) 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, 42619002209 + 42619002210.

It is an arithmetic number, because the mean of its divisors is an integer number (42619002210).

Almost surely, 2^85238004419 is an apocalyptic number.

85238004419 is a deficient number, since it is larger than the sum of its proper divisors (1).

85238004419 is an equidigital number, since it uses as much as digits as its factorization.

85238004419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 85238004419 in words is "eighty-five billion, two hundred thirty-eight million, four thousand, four hundred nineteen".