1378612715422 has 8 divisors (see below), whose sum is σ = 2067924069576. Its totient is φ = 689304692232.

The previous prime is 1378612715407. The next prime is 1378612715461. The reversal of 1378612715422 is 2245172168731.

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, 1088068 + ... + 1985224.

It is an arithmetic number, because the mean of its divisors is an integer number (258490508697).

Almost surely, 2^{1378612715422} is an apocalyptic number.

1378612715422 is a deficient number, since it is larger than the sum of its proper divisors (689311354154).

1378612715422 is an equidigital number, since it uses as much as digits as its factorization.

1378612715422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665482.

The product of its digits is 1128960, while the sum is 49.

The spelling of 1378612715422 in words is "one trillion, three hundred seventy-eight billion, six hundred twelve million, seven hundred fifteen thousand, four hundred twenty-two".