90063808543 has 4 divisors (see below), whose sum is σ = 90272773728. Its totient is φ = 89854843360.

The previous prime is 90063808517. The next prime is 90063808613. The reversal of 90063808543 is 34580836009.

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

It is a cyclic number.

It is not a de Polignac number, because 90063808543 - 2⁹ = 90063808031 is a prime.

It is a super-2 number, since 2×90063808543² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90063808493 and 90063808502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90063808243) 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, 104481946 + ... + 104482807.

It is an arithmetic number, because the mean of its divisors is an integer number (22568193432).

Almost surely, 2^90063808543 is an apocalyptic number.

90063808543 is a deficient number, since it is larger than the sum of its proper divisors (208965185).

90063808543 is a wasteful number, since it uses less digits than its factorization.

90063808543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208965184.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 90063808543 in words is "ninety billion, sixty-three million, eight hundred eight thousand, five hundred forty-three".