28725943363201 has 8 divisors (see below), whose sum is σ = 32834738688704. Its totient is φ = 24618420320400.

The previous prime is 28725943363171. The next prime is 28725943363211. The reversal of 28725943363201 is 10236334952782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28725943363201 - 2¹¹ = 28725943361153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28725943363211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318022290 + ... + 318112603.

It is an arithmetic number, because the mean of its divisors is an integer number (4104342336088).

It is a 1-persistent number, because it is pandigital, but 2⋅28725943363201 = 57451886726402 is not.

Almost surely, 2^{28725943363201} is an apocalyptic number.

28725943363201 is the 3094401-st hex number.

It is an amenable number.

28725943363201 is a deficient number, since it is larger than the sum of its proper divisors (4108795325503).

28725943363201 is an equidigital number, since it uses as much as digits as its factorization.

28725943363201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636141351.

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 28725943363201 in words is "twenty-eight trillion, seven hundred twenty-five billion, nine hundred forty-three million, three hundred sixty-three thousand, two hundred one".