378443838131 has 8 divisors (see below), whose sum is σ = 401821417440. Its totient is φ = 355190278528.

The previous prime is 378443838127. The next prime is 378443838133. The reversal of 378443838131 is 131838344873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378443838131 - 2² = 378443838127 is a prime.

It is a super-2 number, since 2×378443838131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378443838133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 30998636 + ... + 31010841.

It is an arithmetic number, because the mean of its divisors is an integer number (50227677180).

Almost surely, 2^378443838131 is an apocalyptic number.

378443838131 is a deficient number, since it is larger than the sum of its proper divisors (23377579309).

378443838131 is a wasteful number, since it uses less digits than its factorization.

378443838131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62009853.

The product of its digits is 4644864, while the sum is 53.

The spelling of 378443838131 in words is "three hundred seventy-eight billion, four hundred forty-three million, eight hundred thirty-eight thousand, one hundred thirty-one".