2193528454398 has 12 divisors (see below), whose sum is σ = 4752644984568. Its totient is φ = 731176151460.

The previous prime is 2193528454387. The next prime is 2193528454417. The reversal of 2193528454398 is 8934548253912.

2193528454398 is a `hidden beast` number, since 2 + 1 + 9 + 3 + 5 + 2 + 84 + 543 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60931345938 + ... + 60931345973.

It is an arithmetic number, because the mean of its divisors is an integer number (396053748714).

Almost surely, 2^{2193528454398} is an apocalyptic number.

2193528454398 is an abundant number, since it is smaller than the sum of its proper divisors (2559116530170).

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

2193528454398 is a wasteful number, since it uses less digits than its factorization.

2193528454398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121862691919 (or 121862691916 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 63.

The spelling of 2193528454398 in words is "two trillion, one hundred ninety-three billion, five hundred twenty-eight million, four hundred fifty-four thousand, three hundred ninety-eight".