2889910314721 has 4 divisors (see below), whose sum is σ = 2889924646932. Its totient is φ = 2889895982512.

The previous prime is 2889910314689. The next prime is 2889910314743. The reversal of 2889910314721 is 1274130199882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2633362999696 + 256547315025 = 1622764^2 + 506505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2889910314721 - 2⁵ = 2889910314689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2889910014721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6859270 + ... + 7268383.

It is an arithmetic number, because the mean of its divisors is an integer number (722481161733).

Almost surely, 2^{2889910314721} is an apocalyptic number.

It is an amenable number.

2889910314721 is a deficient number, since it is larger than the sum of its proper divisors (14332211).

2889910314721 is a wasteful number, since it uses less digits than its factorization.

2889910314721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14332210.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 2889910314721 in words is "two trillion, eight hundred eighty-nine billion, nine hundred ten million, three hundred fourteen thousand, seven hundred twenty-one".