3453528845648 has 80 divisors (see below), whose sum is σ = 7793700028416. Its totient is φ = 1451726115840.

The previous prime is 3453528845639. The next prime is 3453528845677. The reversal of 3453528845648 is 8465488253543.

It is a super-2 number, since 2×3453528845648² (a number of 26 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 20293553 + ... + 20463023.

Almost surely, 2^{3453528845648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3453528845648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3896850014208).

3453528845648 is an abundant number, since it is smaller than the sum of its proper divisors (4340171182768).

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

3453528845648 is a wasteful number, since it uses less digits than its factorization.

3453528845648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172972 (or 172966 counting only the distinct ones).

The product of its digits is 442368000, while the sum is 65.

The spelling of 3453528845648 in words is "three trillion, four hundred fifty-three billion, five hundred twenty-eight million, eight hundred forty-five thousand, six hundred forty-eight".