830989989039 has 32 divisors (see below), whose sum is σ = 1271410043904. Its totient is φ = 472925007360.

The previous prime is 830989989031. The next prime is 830989989073. The reversal of 830989989039 is 930989989038.

It is not a de Polignac number, because 830989989039 - 2³ = 830989989031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830989989031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24400167 + ... + 24434199.

It is an arithmetic number, because the mean of its divisors is an integer number (39731563872).

Almost surely, 2^830989989039 is an apocalyptic number.

830989989039 is a deficient number, since it is larger than the sum of its proper divisors (440420054865).

830989989039 is a wasteful number, since it uses less digits than its factorization.

830989989039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38727.

The product of its (nonzero) digits is 272097792, while the sum is 75.

Subtracting 830989989039 from its reverse (930989989038), we obtain a palindrome (99999999999).

It can be divided in two parts, 8309899 and 89039, that added together give a palindrome (8398938).

The spelling of 830989989039 in words is "eight hundred thirty billion, nine hundred eighty-nine million, nine hundred eighty-nine thousand, thirty-nine".