90036003593 has 2 divisors, whose sum is σ = 90036003594. Its totient is φ = 90036003592.

The previous prime is 90036003559. The next prime is 90036003637. The reversal of 90036003593 is 39530063009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51081876169 + 38954127424 = 226013^2 + 197368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90036003593 is a prime.

It is not a weakly prime, because it can be changed into another prime (90036003553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45018001796 + 45018001797.

It is an arithmetic number, because the mean of its divisors is an integer number (45018001797).

Almost surely, 2^90036003593 is an apocalyptic number.

It is an amenable number.

90036003593 is a deficient number, since it is larger than the sum of its proper divisors (1).

90036003593 is an equidigital number, since it uses as much as digits as its factorization.

90036003593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 38.

The spelling of 90036003593 in words is "ninety billion, thirty-six million, three thousand, five hundred ninety-three".