3959980600900 has 27 divisors (see below), whose sum is σ = 8593201086519. Its totient is φ = 1583984280480.

The previous prime is 3959980600897. The next prime is 3959980600907. The reversal of 3959980600900 is 90060899593.

The square root of 3959980600900 is 1989970.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1274157833796 + 2685822767104 = 1128786^2 + 1638848^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3959980600907) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19800202 + ... + 19999198.

Almost surely, 2^{3959980600900} is an apocalyptic number.

3959980600900 is the 1989970-th square number.

It is an amenable number.

3959980600900 is an abundant number, since it is smaller than the sum of its proper divisors (4633220485619).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3959980600900 is an frugal number, since it uses more digits than its factorization.

3959980600900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398008 (or 199004 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 58.

The spelling of 3959980600900 in words is "three trillion, nine hundred fifty-nine billion, nine hundred eighty million, six hundred thousand, nine hundred".