90241513801 has 2 divisors, whose sum is σ = 90241513802. Its totient is φ = 90241513800.

The previous prime is 90241513799. The next prime is 90241513829. The reversal of 90241513801 is 10831514209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74635508025 + 15606005776 = 273195^2 + 124924^2 .

It is an emirp because it is prime and its reverse (10831514209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90241513801 - 2¹ = 90241513799 is a prime.

Together with 90241513799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (90241513601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45120756900 + 45120756901.

It is an arithmetic number, because the mean of its divisors is an integer number (45120756901).

Almost surely, 2^90241513801 is an apocalyptic number.

It is an amenable number.

90241513801 is a deficient number, since it is larger than the sum of its proper divisors (1).

90241513801 is an equidigital number, since it uses as much as digits as its factorization.

90241513801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 90241513801 in words is "ninety billion, two hundred forty-one million, five hundred thirteen thousand, eight hundred one".