13475009280 has 144 divisors (see below), whose sum is σ = 44199406944. Its totient is φ = 3496181760.

The previous prime is 13475009279. The next prime is 13475009281. The reversal of 13475009280 is 8290057431.

It is an interprime number because it is at equal distance from previous prime (13475009279) and next prime (13475009281).

It is a super-2 number, since 2×13475009280² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13475009281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94660 + ... + 189500.

It is an arithmetic number, because the mean of its divisors is an integer number (306940326).

Almost surely, 2^13475009280 is an apocalyptic number.

13475009280 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 13475009280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22099703472).

13475009280 is an abundant number, since it is smaller than the sum of its proper divisors (30724397664).

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

13475009280 is an equidigital number, since it uses as much as digits as its factorization.

13475009280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94902 (or 94888 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 13475009280 in words is "thirteen billion, four hundred seventy-five million, nine thousand, two hundred eighty".