1019469857344 has 21 divisors (see below), whose sum is σ = 2023026527091. Its totient is φ = 509730889920.

The previous prime is 1019469857333. The next prime is 1019469857353. The reversal of 1019469857344 is 4437589649101.

The square root of 1019469857344 is 1009688.

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

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 2 ways as a sum of consecutive naturals, for example, 8014399 + ... + 8140609.

Almost surely, 2^{1019469857344} is an apocalyptic number.

1019469857344 is the 1009688-th square number.

It is an amenable number.

1019469857344 is a deficient number, since it is larger than the sum of its proper divisors (1003556669747).

1019469857344 is an frugal number, since it uses more digits than its factorization.

1019469857344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252434 (or 126213 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 1019469857344 in words is "one trillion, nineteen billion, four hundred sixty-nine million, eight hundred fifty-seven thousand, three hundred forty-four".