8430990983 has 4 divisors (see below), whose sum is σ = 8721714840. Its totient is φ = 8140267128.

The previous prime is 8430990949. The next prime is 8430991031. The reversal of 8430990983 is 3890990348.

8430990983 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8430990983 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 (8430990913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145361885 + ... + 145361942.

It is an arithmetic number, because the mean of its divisors is an integer number (2180428710).

Almost surely, 2^8430990983 is an apocalyptic number.

8430990983 is a deficient number, since it is larger than the sum of its proper divisors (290723857).

8430990983 is a wasteful number, since it uses less digits than its factorization.

8430990983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290723856.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 8430990983 is about 91820.4279177570. The cubic root of 8430990983 is about 2035.2895758337.

The spelling of 8430990983 in words is "eight billion, four hundred thirty million, nine hundred ninety thousand, nine hundred eighty-three".