1378628602838 has 8 divisors (see below), whose sum is σ = 2067958371360. Its totient is φ = 689309145720.

The previous prime is 1378628602829. The next prime is 1378628602849. The reversal of 1378628602838 is 8382068268731.

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, 2234453 + ... + 2783888.

It is an arithmetic number, because the mean of its divisors is an integer number (258494796420).

Almost surely, 2^{1378628602838} is an apocalyptic number.

1378628602838 is a deficient number, since it is larger than the sum of its proper divisors (689329768522).

1378628602838 is a wasteful number, since it uses less digits than its factorization.

1378628602838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155702.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 1378628602838 in words is "one trillion, three hundred seventy-eight billion, six hundred twenty-eight million, six hundred two thousand, eight hundred thirty-eight".