378813533353 has 32 divisors (see below), whose sum is σ = 404878320000. Its totient is φ = 353409868800.

The previous prime is 378813533309. The next prime is 378813533377. The reversal of 378813533353 is 353335318873.

It is a cyclic number.

It is not a de Polignac number, because 378813533353 - 2³⁷ = 241374579881 is a prime.

It is a super-3 number, since 3×378813533353³ (a number of 36 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 378813533353.

It is not an unprimeable number, because it can be changed into a prime (378813533383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289833726 + ... + 289835032.

It is an arithmetic number, because the mean of its divisors is an integer number (12652447500).

Almost surely, 2^378813533353 is an apocalyptic number.

It is an amenable number.

378813533353 is a deficient number, since it is larger than the sum of its proper divisors (26064786647).

378813533353 is a wasteful number, since it uses less digits than its factorization.

378813533353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185.

The product of its digits is 8164800, while the sum is 52.

The spelling of 378813533353 in words is "three hundred seventy-eight billion, eight hundred thirteen million, five hundred thirty-three thousand, three hundred fifty-three".