89835481363021 has 4 divisors (see below), whose sum is σ = 89838459924444. Its totient is φ = 89832502801600.

The previous prime is 89835481363003. The next prime is 89835481363039. The reversal of 89835481363021 is 12036318453898.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (89835481363003) and next prime (89835481363039).

It can be written as a sum of positive squares in 2 ways, for example, as 80338057922500 + 9497423440521 = 8963150^2 + 3081789^2 .

It is a cyclic number.

It is not a de Polignac number, because 89835481363021 - 2⁴⁵ = 54651109274189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89835481363721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489235470 + ... + 1489295791.

It is an arithmetic number, because the mean of its divisors is an integer number (22459614981111).

Almost surely, 2^{89835481363021} is an apocalyptic number.

It is an amenable number.

89835481363021 is a deficient number, since it is larger than the sum of its proper divisors (2978561423).

89835481363021 is a wasteful number, since it uses less digits than its factorization.

89835481363021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978561422.

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 89835481363021 in words is "eighty-nine trillion, eight hundred thirty-five billion, four hundred eighty-one million, three hundred sixty-three thousand, twenty-one".