21120600593 has 2 divisors, whose sum is σ = 21120600594. Its totient is φ = 21120600592.

The previous prime is 21120600587. The next prime is 21120600649. The reversal of 21120600593 is 39500602112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12022683904 + 9097916689 = 109648^2 + 95383^2 .

It is a cyclic number.

It is not a de Polignac number, because 21120600593 - 2¹⁰ = 21120599569 is a prime.

It is not a weakly prime, because it can be changed into another prime (21120600503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10560300296 + 10560300297.

It is an arithmetic number, because the mean of its divisors is an integer number (10560300297).

Almost surely, 2^21120600593 is an apocalyptic number.

It is an amenable number.

21120600593 is a deficient number, since it is larger than the sum of its proper divisors (1).

21120600593 is an equidigital number, since it uses as much as digits as its factorization.

21120600593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 21120600593 in words is "twenty-one billion, one hundred twenty million, six hundred thousand, five hundred ninety-three".