2701887021 has 12 divisors (see below), whose sum is σ = 3903385980. Its totient is φ = 1800953280.

The previous prime is 2701887007. The next prime is 2701887031. The reversal of 2701887021 is 1207881072.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1883126025 + 818760996 = 43395^2 + 28614^2 .

It is not a de Polignac number, because 2701887021 - 2⁷ = 2701886893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2701887031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39481 + ... + 83441.

It is an arithmetic number, because the mean of its divisors is an integer number (325282165).

Almost surely, 2^2701887021 is an apocalyptic number.

It is an amenable number.

2701887021 is a deficient number, since it is larger than the sum of its proper divisors (1201498959).

2701887021 is a wasteful number, since it uses less digits than its factorization.

2701887021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50796 (or 50793 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 2701887021 is about 51979.6789235947. The cubic root of 2701887021 is about 1392.8009736357.

The spelling of 2701887021 in words is "two billion, seven hundred one million, eight hundred eighty-seven thousand, twenty-one".