534623607261 has 8 divisors (see below), whose sum is σ = 792034973760. Its totient is φ = 356415738156.

The previous prime is 534623607223. The next prime is 534623607263. The reversal of 534623607261 is 162706326435.

534623607261 is a `hidden beast` number, since 5 + 3 + 462 + 3 + 60 + 72 + 61 = 666.

It is not a de Polignac number, because 534623607261 - 2⁹ = 534623606749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534623607263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9900437145 + ... + 9900437198.

It is an arithmetic number, because the mean of its divisors is an integer number (99004371720).

Almost surely, 2^534623607261 is an apocalyptic number.

It is an amenable number.

534623607261 is a deficient number, since it is larger than the sum of its proper divisors (257411366499).

534623607261 is a wasteful number, since it uses less digits than its factorization.

534623607261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19800874352 (or 19800874346 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 534623607261 in words is "five hundred thirty-four billion, six hundred twenty-three million, six hundred seven thousand, two hundred sixty-one".