536423336621 has 2 divisors, whose sum is σ = 536423336622. Its totient is φ = 536423336620.

The previous prime is 536423336567. The next prime is 536423336677. The reversal of 536423336621 is 126633324635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295190102596 + 241233234025 = 543314^2 + 491155^2 .

It is a cyclic number.

It is not a de Polignac number, because 536423336621 - 2¹⁰ = 536423335597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536423336921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268211668310 + 268211668311.

It is an arithmetic number, because the mean of its divisors is an integer number (268211668311).

Almost surely, 2^536423336621 is an apocalyptic number.

It is an amenable number.

536423336621 is a deficient number, since it is larger than the sum of its proper divisors (1).

536423336621 is an equidigital number, since it uses as much as digits as its factorization.

536423336621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 44.

The spelling of 536423336621 in words is "five hundred thirty-six billion, four hundred twenty-three million, three hundred thirty-six thousand, six hundred twenty-one".