1979850053 has 2 divisors, whose sum is σ = 1979850054. Its totient is φ = 1979850052.

The previous prime is 1979850049. The next prime is 1979850077. The reversal of 1979850053 is 3500589791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1972869889 + 6980164 = 44417^2 + 2642^2 .

It is an emirp because it is prime and its reverse (3500589791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1979850053 - 2² = 1979850049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1979850023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989925026 + 989925027.

It is an arithmetic number, because the mean of its divisors is an integer number (989925027).

Almost surely, 2^1979850053 is an apocalyptic number.

It is an amenable number.

1979850053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1979850053 is an equidigital number, since it uses as much as digits as its factorization.

1979850053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 1979850053 is about 44495.5059865600. The cubic root of 1979850053 is about 1255.6755362691.

The spelling of 1979850053 in words is "one billion, nine hundred seventy-nine million, eight hundred fifty thousand, fifty-three".