1384469923225 has 27 divisors (see below), whose sum is σ = 1730204200413. Its totient is φ = 1098958263840.

The previous prime is 1384469923181. The next prime is 1384469923283. The reversal of 1384469923225 is 5223299644831.

The square root of 1384469923225 is 1176635.

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

It can be written as a sum of positive squares in 4 ways, for example, as 92919499929 + 1291550423296 = 304827^2 + 1136464^2 .

It is not a de Polignac number, because 1384469923225 - 2⁹ = 1384469922713 is a prime.

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 1384469923225.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 817760479 + ... + 817762171.

Almost surely, 2^{1384469923225} is an apocalyptic number.

1384469923225 is the 1176635-th square number.

1384469923225 is the 588318-th centered octagonal number.

It is an amenable number.

1384469923225 is a deficient number, since it is larger than the sum of its proper divisors (345734277188).

1384469923225 is an frugal number, since it uses more digits than its factorization.

1384469923225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674 (or 1837 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 58.

The spelling of 1384469923225 in words is "one trillion, three hundred eighty-four billion, four hundred sixty-nine million, nine hundred twenty-three thousand, two hundred twenty-five".