3180897219049 has 27 divisors (see below), whose sum is σ = 3514936661733. Its totient is φ = 2876440089600.

The previous prime is 3180897218987. The next prime is 3180897219061. The reversal of 3180897219049 is 9409127980813.

The square root of 3180897219049 is 1783507.

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

3180897219049 is digitally balanced in base 3, 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 4 ways, for example, as 1895013794025 + 1285883425024 = 1376595^2 + 1133968^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3180897219049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3180897219089) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5512819849 + ... + 5512820425.

Almost surely, 2^{3180897219049} is an apocalyptic number.

3180897219049 is the 1783507-th square number.

3180897219049 is the 891754-th centered octagonal number.

It is an amenable number.

3180897219049 is a deficient number, since it is larger than the sum of its proper divisors (334039442684).

3180897219049 is an frugal number, since it uses more digits than its factorization.

3180897219049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 3180897219049 in words is "three trillion, one hundred eighty billion, eight hundred ninety-seven million, two hundred nineteen thousand, forty-nine".