90854212339201 has 2 divisors, whose sum is σ = 90854212339202. Its totient is φ = 90854212339200.

The previous prime is 90854212339183. The next prime is 90854212339229. The reversal of 90854212339201 is 10293321245809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76758204902976 + 14096007436225 = 8761176^2 + 3754465^2 .

It is a cyclic number.

It is not a de Polignac number, because 90854212339201 - 2²⁷ = 90854078121473 is a prime.

It is not a weakly prime, because it can be changed into another prime (90854210339201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45427106169600 + 45427106169601.

It is an arithmetic number, because the mean of its divisors is an integer number (45427106169601).

Almost surely, 2^{90854212339201} is an apocalyptic number.

It is an amenable number.

90854212339201 is a deficient number, since it is larger than the sum of its proper divisors (1).

90854212339201 is an equidigital number, since it uses as much as digits as its factorization.

90854212339201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 90854212339201 in words is "ninety trillion, eight hundred fifty-four billion, two hundred twelve million, three hundred thirty-nine thousand, two hundred one".