4255621728513 has 8 divisors (see below), whose sum is σ = 5676041800800. Its totient is φ = 2836141404288.

The previous prime is 4255621728503. The next prime is 4255621728541. The reversal of 4255621728513 is 3158271265524.

It is a happy number.

4255621728513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4255621728513 - 2⁵ = 4255621728481 is a prime.

It is a super-2 number, since 2×4255621728513² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4255621728503) 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, 234926448 + ... + 234944561.

It is an arithmetic number, because the mean of its divisors is an integer number (709505225100).

Almost surely, 2^{4255621728513} is an apocalyptic number.

It is an amenable number.

4255621728513 is a deficient number, since it is larger than the sum of its proper divisors (1420420072287).

4255621728513 is a wasteful number, since it uses less digits than its factorization.

4255621728513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469874031.

The product of its digits is 4032000, while the sum is 51.

The spelling of 4255621728513 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-one million, seven hundred twenty-eight thousand, five hundred thirteen".