9890173343 has 4 divisors (see below), whose sum is σ = 9896543328. Its totient is φ = 9883803360.

The previous prime is 9890173313. The next prime is 9890173361. The reversal of 9890173343 is 3433710989.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3433710989 = 19 ⋅180721631.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9890173343 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 (9890173313) 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, 3182663 + ... + 3185768.

It is an arithmetic number, because the mean of its divisors is an integer number (2474135832).

Almost surely, 2^9890173343 is an apocalyptic number.

9890173343 is a deficient number, since it is larger than the sum of its proper divisors (6369985).

9890173343 is a wasteful number, since it uses less digits than its factorization.

9890173343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369984.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 9890173343 is about 99449.3506414195. The cubic root of 9890173343 is about 2146.5184932731.

The spelling of 9890173343 in words is "nine billion, eight hundred ninety million, one hundred seventy-three thousand, three hundred forty-three".