6978434371703 has 8 divisors (see below), whose sum is σ = 7283520092016. Its totient is φ = 6679771508800.

The previous prime is 6978434371663. The next prime is 6978434371709. The reversal of 6978434371703 is 3071734348796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6978434371703 - 2⁴² = 2580387860599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6978434371709) 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, 1605712133 + ... + 1605716478.

It is an arithmetic number, because the mean of its divisors is an integer number (910440011502).

Almost surely, 2^{6978434371703} is an apocalyptic number.

6978434371703 is a deficient number, since it is larger than the sum of its proper divisors (305085720313).

6978434371703 is a wasteful number, since it uses less digits than its factorization.

6978434371703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211428705.

The product of its (nonzero) digits is 64012032, while the sum is 62.

The spelling of 6978434371703 in words is "six trillion, nine hundred seventy-eight billion, four hundred thirty-four million, three hundred seventy-one thousand, seven hundred three".