90501353513 has 2 divisors, whose sum is σ = 90501353514. Its totient is φ = 90501353512.

The previous prime is 90501353497. The next prime is 90501353533. The reversal of 90501353513 is 31535310509.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89623594384 + 877759129 = 299372^2 + 29627^2 .

It is an emirp because it is prime and its reverse (31535310509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90501353513 - 2⁴ = 90501353497 is a prime.

It is not a weakly prime, because it can be changed into another prime (90501353533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45250676756 + 45250676757.

It is an arithmetic number, because the mean of its divisors is an integer number (45250676757).

Almost surely, 2^90501353513 is an apocalyptic number.

It is an amenable number.

90501353513 is a deficient number, since it is larger than the sum of its proper divisors (1).

90501353513 is an equidigital number, since it uses as much as digits as its factorization.

90501353513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30375, while the sum is 35.

The spelling of 90501353513 in words is "ninety billion, five hundred one million, three hundred fifty-three thousand, five hundred thirteen".