15629000000 has 98 divisors (see below), whose sum is σ = 38769230310. Its totient is φ = 6251200000.

The previous prime is 15628999987. The next prime is 15629000017. The reversal of 15629000000 is 92651.

15629000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 13854231616 + 1774768384 = 117704^2 + 42128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15629000000.

It is a congruent number.

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 13 ways as a sum of consecutive naturals, for example, 992186 + ... + 1007814.

Almost surely, 2^15629000000 is an apocalyptic number.

15629000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15629000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19384615155).

15629000000 is an abundant number, since it is smaller than the sum of its proper divisors (23140230310).

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

15629000000 is an frugal number, since it uses more digits than its factorization.

15629000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15671 (or 15636 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 15629000000 its reverse (92651), we get a palindrome (15629092651).

The spelling of 15629000000 in words is "fifteen billion, six hundred twenty-nine million", and thus it is an aban number.