2819747890141 has 24 divisors (see below), whose sum is σ = 3532543809144. Its totient is φ = 2230938339840.

The previous prime is 2819747890121. The next prime is 2819747890151. The reversal of 2819747890141 is 1410987479182.

It can be written as a sum of positive squares in 4 ways, for example, as 52465734916 + 2767282155225 = 229054^2 + 1663515^2 .

It is not a de Polignac number, because 2819747890141 - 2²³ = 2819739501533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2819747890141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2819747890121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30117121 + ... + 30210601.

It is an arithmetic number, because the mean of its divisors is an integer number (147189325381).

Almost surely, 2^{2819747890141} is an apocalyptic number.

It is an amenable number.

2819747890141 is a deficient number, since it is larger than the sum of its proper divisors (712795919003).

2819747890141 is a wasteful number, since it uses less digits than its factorization.

2819747890141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140861 (or 140854 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 61.

The spelling of 2819747890141 in words is "two trillion, eight hundred nineteen billion, seven hundred forty-seven million, eight hundred ninety thousand, one hundred forty-one".