1984379674079 has 8 divisors (see below), whose sum is σ = 2164850747472. Its totient is φ = 1803920754240.

The previous prime is 1984379674037. The next prime is 1984379674097. The reversal of 1984379674079 is 9704769734891.

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

It is not a de Polignac number, because 1984379674079 - 2¹² = 1984379669983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1984379673997 and 1984379674015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984379674279) 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, 2695304 + ... + 3351629.

It is an arithmetic number, because the mean of its divisors is an integer number (270606343434).

Almost surely, 2^{1984379674079} is an apocalyptic number.

1984379674079 is a deficient number, since it is larger than the sum of its proper divisors (180471073393).

1984379674079 is a wasteful number, since it uses less digits than its factorization.

1984379674079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076777.

The product of its (nonzero) digits is 576108288, while the sum is 74.

The spelling of 1984379674079 in words is "one trillion, nine hundred eighty-four billion, three hundred seventy-nine million, six hundred seventy-four thousand, seventy-nine".