33869195378 has 18 divisors (see below), whose sum is σ = 51159569391. Its totient is φ = 16816827324.

The previous prime is 33869195377. The next prime is 33869195443. The reversal of 33869195378 is 87359196833.

It can be written as a sum of positive squares in only one way, i.e., 16934597689 + 16934597689 = 130133^2 + 130133^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=130133.

It is a super-2 number, since 2×33869195378² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33869195378.

It is not an unprimeable number, because it can be changed into a prime (33869195377) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 46587251 + ... + 46587977.

Almost surely, 2^33869195378 is an apocalyptic number.

33869195378 is a deficient number, since it is larger than the sum of its proper divisors (17290374013).

33869195378 is an frugal number, since it uses more digits than its factorization.

33869195378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 908 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 62.

The spelling of 33869195378 in words is "thirty-three billion, eight hundred sixty-nine million, one hundred ninety-five thousand, three hundred seventy-eight".