1931716379044 has 27 divisors (see below), whose sum is σ = 3388632300417. Its totient is φ = 963541289568.

The previous prime is 1931716379023. The next prime is 1931716379057. The reversal of 1931716379044 is 4409736171391.

The square root of 1931716379044 is 1389862.

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., 1700316897444 + 231399481600 = 1303962^2 + 481040^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2248796287 + ... + 2248797145.

Almost surely, 2^{1931716379044} is an apocalyptic number.

1931716379044 is the 1389862-nd square number.

It is an amenable number.

1931716379044 is a deficient number, since it is larger than the sum of its proper divisors (1456915921373).

1931716379044 is an frugal number, since it uses more digits than its factorization.

1931716379044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 1931716379044 in words is "one trillion, nine hundred thirty-one billion, seven hundred sixteen million, three hundred seventy-nine thousand, forty-four".