1979614843 has 4 divisors (see below), whose sum is σ = 1981788768. Its totient is φ = 1977440920.

The previous prime is 1979614841. The next prime is 1979614859. The reversal of 1979614843 is 3484169791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3484169791 = 41 ⋅84979751.

It is a cyclic number.

It is not a de Polignac number, because 1979614843 - 2¹ = 1979614841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1979614841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085596 + ... + 1087417.

It is an arithmetic number, because the mean of its divisors is an integer number (495447192).

Almost surely, 2^1979614843 is an apocalyptic number.

1979614843 is a deficient number, since it is larger than the sum of its proper divisors (2173925).

1979614843 is an equidigital number, since it uses as much as digits as its factorization.

1979614843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173924.

The product of its digits is 1306368, while the sum is 52.

The square root of 1979614843 is about 44492.8628321442. The cubic root of 1979614843 is about 1255.6258087423.

The spelling of 1979614843 in words is "one billion, nine hundred seventy-nine million, six hundred fourteen thousand, eight hundred forty-three".