90723491412529 has 2 divisors, whose sum is σ = 90723491412530. Its totient is φ = 90723491412528.

The previous prime is 90723491412517. The next prime is 90723491412551. The reversal of 90723491412529 is 92521419432709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90700766453025 + 22724959504 = 9523695^2 + 150748^2 .

It is a cyclic number.

It is not a de Polignac number, because 90723491412529 - 2¹⁷ = 90723491281457 is a prime.

It is not a weakly prime, because it can be changed into another prime (90723431412529) 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, 45361745706264 + 45361745706265.

It is an arithmetic number, because the mean of its divisors is an integer number (45361745706265).

Almost surely, 2^{90723491412529} is an apocalyptic number.

It is an amenable number.

90723491412529 is a deficient number, since it is larger than the sum of its proper divisors (1).

90723491412529 is an equidigital number, since it uses as much as digits as its factorization.

90723491412529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 90723491412529 in words is "ninety trillion, seven hundred twenty-three billion, four hundred ninety-one million, four hundred twelve thousand, five hundred twenty-nine".