378618938345 has 8 divisors (see below), whose sum is σ = 454346041920. Its totient is φ = 302892940080.

The previous prime is 378618938273. The next prime is 378618938381. The reversal of 378618938345 is 543839816873.

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

It is a de Polignac number, because none of the positive numbers 2^k-378618938345 is a prime.

It is a super-2 number, since 2×378618938345² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105226 + ... + 1406684.

It is an arithmetic number, because the mean of its divisors is an integer number (56793255240).

Almost surely, 2^378618938345 is an apocalyptic number.

It is an amenable number.

378618938345 is a deficient number, since it is larger than the sum of its proper divisors (75727103575).

378618938345 is a wasteful number, since it uses less digits than its factorization.

378618938345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552655.

The product of its digits is 104509440, while the sum is 65.

The spelling of 378618938345 in words is "three hundred seventy-eight billion, six hundred eighteen million, nine hundred thirty-eight thousand, three hundred forty-five".