535928908621 has 2 divisors, whose sum is σ = 535928908622. Its totient is φ = 535928908620.

The previous prime is 535928908591. The next prime is 535928908643. The reversal of 535928908621 is 126809829535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274485879396 + 261443029225 = 523914^2 + 511315^2 .

It is a cyclic number.

It is not a de Polignac number, because 535928908621 - 2³⁵ = 501569170253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (535928903621) 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, 267964454310 + 267964454311.

It is an arithmetic number, because the mean of its divisors is an integer number (267964454311).

Almost surely, 2^535928908621 is an apocalyptic number.

It is an amenable number.

535928908621 is a deficient number, since it is larger than the sum of its proper divisors (1).

535928908621 is an equidigital number, since it uses as much as digits as its factorization.

535928908621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9331200, while the sum is 58.

The spelling of 535928908621 in words is "five hundred thirty-five billion, nine hundred twenty-eight million, nine hundred eight thousand, six hundred twenty-one".