253806938063 has 4 divisors (see below), whose sum is σ = 290065072080. Its totient is φ = 217548804048.

The previous prime is 253806938059. The next prime is 253806938117. The reversal of 253806938063 is 360839608352.

253806938063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253806938063 - 2² = 253806938059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253806937996 and 253806938014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253806938023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18129066998 + ... + 18129067011.

It is an arithmetic number, because the mean of its divisors is an integer number (72516268020).

Almost surely, 2^253806938063 is an apocalyptic number.

253806938063 is a deficient number, since it is larger than the sum of its proper divisors (36258134017).

253806938063 is an equidigital number, since it uses as much as digits as its factorization.

253806938063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36258134016.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 253806938063 in words is "two hundred fifty-three billion, eight hundred six million, nine hundred thirty-eight thousand, sixty-three".