1019385045316 has 27 divisors (see below), whose sum is σ = 1960884622333. Its totient is φ = 463346742320.

The previous prime is 1019385045277. The next prime is 1019385045331. The reversal of 1019385045316 is 6135405839101.

The square root of 1019385045316 is 1009646.

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., 200533796100 + 818851249216 = 447810^2 + 904904^2 .

It is a super-2 number, since 2×1019385045316² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22189266 + ... + 22235158.

Almost surely, 2^{1019385045316} is an apocalyptic number.

1019385045316 is the 1009646-th square number.

It is an amenable number.

1019385045316 is a deficient number, since it is larger than the sum of its proper divisors (941499577017).

1019385045316 is an frugal number, since it uses more digits than its factorization.

1019385045316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91812 (or 45906 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 1019385045316 in words is "one trillion, nineteen billion, three hundred eighty-five million, forty-five thousand, three hundred sixteen".