2731068621 has 12 divisors (see below), whose sum is σ = 4028811072. Its totient is φ = 1781973576.

The previous prime is 2731068617. The next prime is 2731068653. The reversal of 2731068621 is 1268601372.

2731068621 is a `hidden beast` number, since 27 + 3 + 1 + 0 + 6 + 8 + 621 = 666.

It is not a de Polignac number, because 2731068621 - 2² = 2731068617 is a prime.

It is a super-2 number, since 2×2731068621² = 14917471625221683282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731068601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3227791 + ... + 3228636.

It is an arithmetic number, because the mean of its divisors is an integer number (335734256).

Almost surely, 2^2731068621 is an apocalyptic number.

It is an amenable number.

2731068621 is a deficient number, since it is larger than the sum of its proper divisors (1297742451).

2731068621 is a wasteful number, since it uses less digits than its factorization.

2731068621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456480 (or 6456477 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2731068621 is about 52259.6270652595. The cubic root of 2731068621 is about 1397.7973221377.

Adding to 2731068621 its reverse (1268601372), we get a palindrome (3999669993).

The spelling of 2731068621 in words is "two billion, seven hundred thirty-one million, sixty-eight thousand, six hundred twenty-one".