2008721971336 has 8 divisors (see below), whose sum is σ = 3766353696270. Its totient is φ = 1004360985664.

The previous prime is 2008721971327. The next prime is 2008721971397. The reversal of 2008721971336 is 6331791278002.

It can be written as a sum of positive squares in only one way, i.e., 2004404692900 + 4317278436 = 1415770^2 + 65706^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2008721971336.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125545123201 + ... + 125545123216.

Almost surely, 2^{2008721971336} is an apocalyptic number.

It is an amenable number.

2008721971336 is a deficient number, since it is larger than the sum of its proper divisors (1757631724934).

2008721971336 is a wasteful number, since it uses less digits than its factorization.

2008721971336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251090246423 (or 251090246419 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 2008721971336 in words is "two trillion, eight billion, seven hundred twenty-one million, nine hundred seventy-one thousand, three hundred thirty-six".