253422665708265 has 24 divisors (see below), whose sum is σ = 442724740942848. Its totient is φ = 134094512875680.

The previous prime is 253422665708257. The next prime is 253422665708269. The reversal of 253422665708265 is 562807566224352.

253422665708265 is a `hidden beast` number, since 2 + 5 + 3 + 42 + 266 + 5 + 70 + 8 + 265 = 666.

It is not a de Polignac number, because 253422665708265 - 2³ = 253422665708257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253422665708269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22171706071 + ... + 22171717500.

It is an arithmetic number, because the mean of its divisors is an integer number (18446864205952).

Almost surely, 2^{253422665708265} is an apocalyptic number.

It is an amenable number.

253422665708265 is a deficient number, since it is larger than the sum of its proper divisors (189302075234583).

253422665708265 is a wasteful number, since it uses less digits than its factorization.

253422665708265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44343423709 (or 44343423706 counting only the distinct ones).

The product of its (nonzero) digits is 290304000, while the sum is 63.

The spelling of 253422665708265 in words is "two hundred fifty-three trillion, four hundred twenty-two billion, six hundred sixty-five million, seven hundred eight thousand, two hundred sixty-five".