535620845771081 has 32 divisors (see below), whose sum is σ = 622738600573440. Its totient is φ = 451232914392576.

The previous prime is 535620845771047. The next prime is 535620845771087. The reversal of 535620845771081 is 180177548026535.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 535620845771081 - 2⁶ = 535620845771017 is a prime.

It is a super-2 number, since 2×535620845771081² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535620845771087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47222765 + ... + 57456341.

It is an arithmetic number, because the mean of its divisors is an integer number (19460581267920).

Almost surely, 2^{535620845771081} is an apocalyptic number.

It is an amenable number.

535620845771081 is a deficient number, since it is larger than the sum of its proper divisors (87117754802359).

535620845771081 is a wasteful number, since it uses less digits than its factorization.

535620845771081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234233.

The product of its (nonzero) digits is 56448000, while the sum is 62.

The spelling of 535620845771081 in words is "five hundred thirty-five trillion, six hundred twenty billion, eight hundred forty-five million, seven hundred seventy-one thousand, eighty-one".