536603444021 has 2 divisors, whose sum is σ = 536603444022. Its totient is φ = 536603444020.

The previous prime is 536603444011. The next prime is 536603444099. The reversal of 536603444021 is 120444306635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520257821521 + 16345622500 = 721289^2 + 127850^2 .

It is a cyclic number.

It is not a de Polignac number, because 536603444021 - 2¹⁴ = 536603427637 is a prime.

It is a super-2 number, since 2×536603444021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536603444011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268301722010 + 268301722011.

It is an arithmetic number, because the mean of its divisors is an integer number (268301722011).

Almost surely, 2^536603444021 is an apocalyptic number.

It is an amenable number.

536603444021 is a deficient number, since it is larger than the sum of its proper divisors (1).

536603444021 is an equidigital number, since it uses as much as digits as its factorization.

536603444021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 536603444021 in words is "five hundred thirty-six billion, six hundred three million, four hundred forty-four thousand, twenty-one".