1069428993424 has 135 divisors (see below), whose sum is σ = 2405630594241. Its totient is φ = 460147374720.

The previous prime is 1069428993403. The next prime is 1069428993469. The reversal of 1069428993424 is 4243998249601.

It is a happy number.

The square root of 1069428993424 is 1034132.

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., 807661690000 + 261767303424 = 898700^2 + 511632^2 .

It is a super-2 number, since 2×1069428993424² (a number of 25 digits) contains 22 as substring.

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, 864533734 + ... + 864534970.

Almost surely, 2^{1069428993424} is an apocalyptic number.

1069428993424 is the 1034132-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1069428993424

1069428993424 is an abundant number, since it is smaller than the sum of its proper divisors (1336201600817).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1069428993424 is an equidigital number, since it uses as much as digits as its factorization.

1069428993424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 1069428993424 in words is "one trillion, sixty-nine billion, four hundred twenty-eight million, nine hundred ninety-three thousand, four hundred twenty-four".