13529725748450 has 54 divisors (see below), whose sum is σ = 25235681693859. Its totient is φ = 5396794472640.

The previous prime is 13529725748447. The next prime is 13529725748471. The reversal of 13529725748450 is 5484752792531.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 10473113415961 + 3056612332489 = 3236219^2 + 1748317^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2600935.

It is a super-4 number, since 4×13529725748450⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

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, 16724011646 + ... + 16724012454.

Almost surely, 2^{13529725748450} is an apocalyptic number.

13529725748450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13529725748450 is a deficient number, since it is larger than the sum of its proper divisors (11705955945409).

13529725748450 is an frugal number, since it uses more digits than its factorization.

13529725748450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916 (or 1459 counting only the distinct ones).

The product of its (nonzero) digits is 84672000, while the sum is 62.

The spelling of 13529725748450 in words is "thirteen trillion, five hundred twenty-nine billion, seven hundred twenty-five million, seven hundred forty-eight thousand, four hundred fifty".