90043287093 has 16 divisors (see below), whose sum is σ = 136235708160. Its totient is φ = 58751647488.

The previous prime is 90043287079. The next prime is 90043287107. The reversal of 90043287093 is 39078234009.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90043287079) and next prime (90043287107).

It is not a de Polignac number, because 90043287093 - 2³³ = 81453352501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90043287043) 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 in 15 ways as a sum of consecutive naturals, for example, 35476780 + ... + 35479317.

It is an arithmetic number, because the mean of its divisors is an integer number (8514731760).

Almost surely, 2^90043287093 is an apocalyptic number.

It is an amenable number.

90043287093 is a deficient number, since it is larger than the sum of its proper divisors (46192421067).

90043287093 is a wasteful number, since it uses less digits than its factorization.

90043287093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70956153 (or 70956147 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 90043287093 in words is "ninety billion, forty-three million, two hundred eighty-seven thousand, ninety-three".