253994489559 has 96 divisors (see below), whose sum is σ = 412908088320. Its totient is φ = 155439378432.

The previous prime is 253994489557. The next prime is 253994489677. The reversal of 253994489559 is 955984499352.

253994489559 is a `hidden beast` number, since 2 + 5 + 3 + 9 + 94 + 489 + 5 + 59 = 666.

253994489559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253994489559 - 2¹ = 253994489557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253994489557) 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 95 ways as a sum of consecutive naturals, for example, 27082279 + ... + 27091655.

It is an arithmetic number, because the mean of its divisors is an integer number (4301125920).

Almost surely, 2^253994489559 is an apocalyptic number.

253994489559 is a deficient number, since it is larger than the sum of its proper divisors (158913598761).

253994489559 is an equidigital number, since it uses as much as digits as its factorization.

253994489559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571 (or 9559 counting only the distinct ones).

The product of its digits is 629856000, while the sum is 72.

The spelling of 253994489559 in words is "two hundred fifty-three billion, nine hundred ninety-four million, four hundred eighty-nine thousand, five hundred fifty-nine".