2819890232085 has 32 divisors (see below), whose sum is σ = 4931329876992. Its totient is φ = 1369813847040.

The previous prime is 2819890232069. The next prime is 2819890232149. The reversal of 2819890232085 is 5802320989182.

It is not a de Polignac number, because 2819890232085 - 2⁴ = 2819890232069 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 178353274 + ... + 178369083.

It is an arithmetic number, because the mean of its divisors is an integer number (154104058656).

Almost surely, 2^{2819890232085} is an apocalyptic number.

It is an amenable number.

2819890232085 is a deficient number, since it is larger than the sum of its proper divisors (2111439644907).

2819890232085 is a wasteful number, since it uses less digits than its factorization.

2819890232085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356722413.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 2819890232085 in words is "two trillion, eight hundred nineteen billion, eight hundred ninety million, two hundred thirty-two thousand, eighty-five".