10389139530 has 128 divisors (see below), whose sum is σ = 31115943936. Its totient is φ = 2156736000.

The previous prime is 10389139499. The next prime is 10389139547. The reversal of 10389139530 is 3593198301.

It is a happy number.

10389139530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4417855 + ... + 4420205.

It is an arithmetic number, because the mean of its divisors is an integer number (243093312).

Almost surely, 2^10389139530 is an apocalyptic number.

10389139530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10389139530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15557971968).

10389139530 is an abundant number, since it is smaller than the sum of its proper divisors (20726804406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10389139530 is a wasteful number, since it uses less digits than its factorization.

10389139530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 10389139530 in words is "ten billion, three hundred eighty-nine million, one hundred thirty-nine thousand, five hundred thirty".