1979034805 has 32 divisors (see below), whose sum is σ = 2615856768. Its totient is φ = 1425427200.

The previous prime is 1979034797. The next prime is 1979034809. The reversal of 1979034805 is 5084309791.

It is a happy number.

It is not a de Polignac number, because 1979034805 - 2³ = 1979034797 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 (1979034809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3657835 + ... + 3658375.

It is an arithmetic number, because the mean of its divisors is an integer number (81745524).

Almost surely, 2^1979034805 is an apocalyptic number.

It is an amenable number.

1979034805 is a deficient number, since it is larger than the sum of its proper divisors (636821963).

1979034805 is a wasteful number, since it uses less digits than its factorization.

1979034805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1979034805 is about 44486.3440282521. The cubic root of 1979034805 is about 1255.5031616813.

The spelling of 1979034805 in words is "one billion, nine hundred seventy-nine million, thirty-four thousand, eight hundred five".