3129495445444 has 27 divisors (see below), whose sum is σ = 5506341781773. Its totient is φ = 1556300566272.

The previous prime is 3129495445393. The next prime is 3129495445471. The reversal of 3129495445444 is 4445445949213.

The square root of 3129495445444 is 1769038.

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

It can be written as a sum of positive squares in only one way, i.e., 758240392900 + 2371255052544 = 870770^2 + 1539888^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 682846377 + ... + 682850959.

Almost surely, 2^{3129495445444} is an apocalyptic number.

3129495445444 is the 1769038-th square number.

It is an amenable number.

3129495445444 is a deficient number, since it is larger than the sum of its proper divisors (2376846336329).

3129495445444 is an frugal number, since it uses more digits than its factorization.

3129495445444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9556 (or 4778 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 58.

The spelling of 3129495445444 in words is "three trillion, one hundred twenty-nine billion, four hundred ninety-five million, four hundred forty-five thousand, four hundred forty-four".