1979384125 has 32 divisors (see below), whose sum is σ = 2563498080. Its totient is φ = 1524096000.

The previous prime is 1979384111. The next prime is 1979384129. The reversal of 1979384125 is 5214839791.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 1364046489 + 615337636 = 36933^2 + 24806^2 .

It is not a de Polignac number, because 1979384125 - 2¹⁷ = 1979253053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1979384129) 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, 1525477 + ... + 1526773.

It is an arithmetic number, because the mean of its divisors is an integer number (80109315).

Almost surely, 2^1979384125 is an apocalyptic number.

It is an amenable number.

1979384125 is a deficient number, since it is larger than the sum of its proper divisors (584113955).

1979384125 is a wasteful number, since it uses less digits than its factorization.

1979384125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762 (or 1752 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 1979384125 is about 44490.2700036761. The cubic root of 1979384125 is about 1255.5770270763.

The spelling of 1979384125 in words is "one billion, nine hundred seventy-nine million, three hundred eighty-four thousand, one hundred twenty-five".