1979424365 has 8 divisors (see below), whose sum is σ = 2375862648. Its totient is φ = 1583170560.

The previous prime is 1979424353. The next prime is 1979424383. The reversal of 1979424365 is 5634249791.

It can be written as a sum of positive squares in 4 ways, for example, as 50282281 + 1929142084 = 7091^2 + 43922^2 .

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

It is not a de Polignac number, because 1979424365 - 2⁶ = 1979424301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21296 + ... + 66425.

It is an arithmetic number, because the mean of its divisors is an integer number (296982831).

Almost surely, 2^1979424365 is an apocalyptic number.

It is an amenable number.

1979424365 is a deficient number, since it is larger than the sum of its proper divisors (396438283).

1979424365 is an equidigital number, since it uses as much as digits as its factorization.

1979424365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92239.

The product of its digits is 1632960, while the sum is 50.

The square root of 1979424365 is about 44490.7222350908. The cubic root of 1979424365 is about 1255.5855354597.

The spelling of 1979424365 in words is "one billion, nine hundred seventy-nine million, four hundred twenty-four thousand, three hundred sixty-five".