263126740726053 has 48 divisors (see below), whose sum is σ = 404607742344000. Its totient is φ = 164303127800064.

The previous prime is 263126740726049. The next prime is 263126740726123. The reversal of 263126740726053 is 350627047621362.

263126740726053 is a `hidden beast` number, since 2 + 6 + 3 + 1 + 26 + 7 + 4 + 0 + 7 + 2 + 605 + 3 = 666.

It is not a de Polignac number, because 263126740726053 - 2² = 263126740726049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263126740724053) 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 47 ways as a sum of consecutive naturals, for example, 167892183 + ... + 169452171.

It is an arithmetic number, because the mean of its divisors is an integer number (8429327965500).

Almost surely, 2^{263126740726053} is an apocalyptic number.

It is an amenable number.

263126740726053 is a deficient number, since it is larger than the sum of its proper divisors (141481001617947).

263126740726053 is a wasteful number, since it uses less digits than its factorization.

263126740726053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571186 (or 1571183 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 54.

The spelling of 263126740726053 in words is "two hundred sixty-three trillion, one hundred twenty-six billion, seven hundred forty million, seven hundred twenty-six thousand, fifty-three".