2681181064 has 16 divisors (see below), whose sum is σ = 5144127120. Its totient is φ = 1309413840.

The previous prime is 2681181059. The next prime is 2681181077. The reversal of 2681181064 is 4601811862.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3896722 + ... + 3897409.

It is an arithmetic number, because the mean of its divisors is an integer number (321507945).

Almost surely, 2^2681181064 is an apocalyptic number.

It is an amenable number.

2681181064 is a deficient number, since it is larger than the sum of its proper divisors (2462946056).

2681181064 is a wasteful number, since it uses less digits than its factorization.

2681181064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794180 (or 7794176 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2681181064 is about 51780.1222864527. The cubic root of 2681181064 is about 1389.2339280606.

The spelling of 2681181064 in words is "two billion, six hundred eighty-one million, one hundred eighty-one thousand, sixty-four".