265173142839253 has 16 divisors (see below), whose sum is σ = 289784618171136. Its totient is φ = 240645852887040.

The previous prime is 265173142839247. The next prime is 265173142839299. The reversal of 265173142839253 is 352938241371562.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265173142839253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265173142839191 and 265173142839200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265173142839223) 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 15 ways as a sum of consecutive naturals, for example, 110796325 + ... + 113164357.

It is an arithmetic number, because the mean of its divisors is an integer number (18111538635696).

Almost surely, 2^{265173142839253} is an apocalyptic number.

It is an amenable number.

265173142839253 is a deficient number, since it is larger than the sum of its proper divisors (24611475331883).

265173142839253 is a wasteful number, since it uses less digits than its factorization.

265173142839253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385804.

The product of its digits is 65318400, while the sum is 61.

The spelling of 265173142839253 in words is "two hundred sixty-five trillion, one hundred seventy-three billion, one hundred forty-two million, eight hundred thirty-nine thousand, two hundred fifty-three".