13479839250 has 128 divisors (see below), whose sum is σ = 34179425280. Its totient is φ = 3538080000.

The previous prime is 13479839203. The next prime is 13479839267. The reversal of 13479839250 is 5293897431.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13479839193 and 13479839202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14796295 + ... + 14797205.

It is an arithmetic number, because the mean of its divisors is an integer number (267026760).

Almost surely, 2^13479839250 is an apocalyptic number.

13479839250 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 13479839250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17089712640).

13479839250 is an abundant number, since it is smaller than the sum of its proper divisors (20699586030).

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

13479839250 is a wasteful number, since it uses less digits than its factorization.

13479839250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 13479839250 in words is "thirteen billion, four hundred seventy-nine million, eight hundred thirty-nine thousand, two hundred fifty".