255462421653 has 24 divisors (see below), whose sum is σ = 387629049600. Its totient is φ = 161810241120.

The previous prime is 255462421597. The next prime is 255462421663. The reversal of 255462421653 is 356124264552.

255462421653 is a `hidden beast` number, since 2 + 5 + 5 + 4 + 624 + 2 + 16 + 5 + 3 = 666.

It is not a de Polignac number, because 255462421653 - 2⁶ = 255462421589 is a prime.

It is a super-2 number, since 2×255462421653² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255462421599 and 255462421608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255462421663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4110493 + ... + 4172178.

It is an arithmetic number, because the mean of its divisors is an integer number (16151210400).

Almost surely, 2^255462421653 is an apocalyptic number.

255462421653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

255462421653 is a deficient number, since it is larger than the sum of its proper divisors (132166627947).

255462421653 is a wasteful number, since it uses less digits than its factorization.

255462421653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282849 (or 8282846 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 255462421653 in words is "two hundred fifty-five billion, four hundred sixty-two million, four hundred twenty-one thousand, six hundred fifty-three".