1434643377478 has 16 divisors (see below), whose sum is σ = 2164489766640. Its totient is φ = 713147116896.

The previous prime is 1434643377451. The next prime is 1434643377481. The reversal of 1434643377478 is 8747733464341.

It is a congruent number.

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, 10741633 + ... + 10874371.

It is an arithmetic number, because the mean of its divisors is an integer number (135280610415).

Almost surely, 2^{1434643377478} is an apocalyptic number.

1434643377478 is a deficient number, since it is larger than the sum of its proper divisors (729846389162).

1434643377478 is a wasteful number, since it uses less digits than its factorization.

1434643377478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164151.

The product of its digits is 113799168, while the sum is 61.

The spelling of 1434643377478 in words is "one trillion, four hundred thirty-four billion, six hundred forty-three million, three hundred seventy-seven thousand, four hundred seventy-eight".