535979808061 has 2 divisors, whose sum is σ = 535979808062. Its totient is φ = 535979808060.

The previous prime is 535979807981. The next prime is 535979808097. The reversal of 535979808061 is 160808979535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 357161616900 + 178818191161 = 597630^2 + 422869^2 .

It is a cyclic number.

It is not a de Polignac number, because 535979808061 - 2²³ = 535971419453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535979809061) 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 as a sum of consecutive naturals, namely, 267989904030 + 267989904031.

It is an arithmetic number, because the mean of its divisors is an integer number (267989904031).

Almost surely, 2^535979808061 is an apocalyptic number.

It is an amenable number.

535979808061 is a deficient number, since it is larger than the sum of its proper divisors (1).

535979808061 is an equidigital number, since it uses as much as digits as its factorization.

535979808061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 535979808061 in words is "five hundred thirty-five billion, nine hundred seventy-nine million, eight hundred eight thousand, sixty-one".