1373642654678 has 16 divisors (see below), whose sum is σ = 2354935883424. Its totient is φ = 588674018880.

The previous prime is 1373642654677. The next prime is 1373642654701. The reversal of 1373642654678 is 8764562463731.

It is a self number, because there is not a number n which added to its sum of digits gives 1373642654678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373642654677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2212103 + ... + 2764178.

It is an arithmetic number, because the mean of its divisors is an integer number (147183492714).

Almost surely, 2^{1373642654678} is an apocalyptic number.

1373642654678 is a deficient number, since it is larger than the sum of its proper divisors (981293228746).

1373642654678 is a wasteful number, since it uses less digits than its factorization.

1373642654678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996007.

The product of its digits is 121927680, while the sum is 62.

The spelling of 1373642654678 in words is "one trillion, three hundred seventy-three billion, six hundred forty-two million, six hundred fifty-four thousand, six hundred seventy-eight".