2668981412 has 12 divisors (see below), whose sum is σ = 4713568860. Its totient is φ = 1322247456.

The previous prime is 2668981409. The next prime is 2668981417. The reversal of 2668981412 is 2141898662.

2668981412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2431081636 + 237899776 = 49306^2 + 15424^2 .

It is not an unprimeable number, because it can be changed into a prime (2668981417) 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, 3060323 + ... + 3061194.

It is an arithmetic number, because the mean of its divisors is an integer number (392797405).

Almost surely, 2^2668981412 is an apocalyptic number.

It is an amenable number.

2668981412 is a deficient number, since it is larger than the sum of its proper divisors (2044587448).

2668981412 is a wasteful number, since it uses less digits than its factorization.

2668981412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121630 (or 6121628 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 2668981412 is about 51662.1855131972. The cubic root of 2668981412 is about 1387.1236713551.

The spelling of 2668981412 in words is "two billion, six hundred sixty-eight million, nine hundred eighty-one thousand, four hundred twelve".