1923447229456 has 15 divisors (see below), whose sum is σ = 3726689755453. Its totient is φ = 961720840960.

The previous prime is 1923447229421. The next prime is 1923447229469. The reversal of 1923447229456 is 6549227443291.

The square root of 1923447229456 is 1386884.

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., 375911229456 + 1547536000000 = 613116^2 + 1244000^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1923447229456.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5374176 + ... + 5720896.

Almost surely, 2^{1923447229456} is an apocalyptic number.

1923447229456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1923447229456 is the 1386884-th square number.

It is an amenable number.

1923447229456 is a deficient number, since it is larger than the sum of its proper divisors (1803242525997).

1923447229456 is an frugal number, since it uses more digits than its factorization.

1923447229456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693450 (or 346723 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 58.

The spelling of 1923447229456 in words is "one trillion, nine hundred twenty-three billion, four hundred forty-seven million, two hundred twenty-nine thousand, four hundred fifty-six".