378343635743918 has 8 divisors (see below), whose sum is σ = 611170488509448. Its totient is φ = 174620139574104.

The previous prime is 378343635743897. The next prime is 378343635743989. The reversal of 378343635743918 is 819347536343873.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7275839148896 + ... + 7275839148947.

It is an arithmetic number, because the mean of its divisors is an integer number (76396311063681).

Almost surely, 2^{378343635743918} is an apocalyptic number.

378343635743918 is a deficient number, since it is larger than the sum of its proper divisors (232826852765530).

378343635743918 is a wasteful number, since it uses less digits than its factorization.

378343635743918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14551678297858.

The product of its digits is 3292047360, while the sum is 74.

The spelling of 378343635743918 in words is "three hundred seventy-eight trillion, three hundred forty-three billion, six hundred thirty-five million, seven hundred forty-three thousand, nine hundred eighteen".