13545773000 has 64 divisors (see below), whose sum is σ = 31716612720. Its totient is φ = 5414976000.

The previous prime is 13545772997. The next prime is 13545773029. The reversal of 13545773000 is 37754531.

It can be written as a sum of positive squares in 8 ways, for example, as 1259824036 + 12285948964 = 35494^2 + 110842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2209940 + ... + 2216060.

Almost surely, 2^13545773000 is an apocalyptic number.

13545773000 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 13545773000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15858306360).

13545773000 is an abundant number, since it is smaller than the sum of its proper divisors (18170839720).

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

13545773000 is a wasteful number, since it uses less digits than its factorization.

13545773000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355 (or 8341 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 35.

The spelling of 13545773000 in words is "thirteen billion, five hundred forty-five million, seven hundred seventy-three thousand".