1678344031383 has 16 divisors (see below), whose sum is σ = 2253618022656. Its totient is φ = 1111010748480.

The previous prime is 1678344031379. The next prime is 1678344031433. The reversal of 1678344031383 is 3831304438761.

It is not a de Polignac number, because 1678344031383 - 2² = 1678344031379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678344031303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3222238 + ... + 3706683.

It is an arithmetic number, because the mean of its divisors is an integer number (140851126416).

Almost surely, 2^{1678344031383} is an apocalyptic number.

1678344031383 is a deficient number, since it is larger than the sum of its proper divisors (575273991273).

1678344031383 is a wasteful number, since it uses less digits than its factorization.

1678344031383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6929494.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 1678344031383 in words is "one trillion, six hundred seventy-eight billion, three hundred forty-four million, thirty-one thousand, three hundred eighty-three".