1979560105357 has 2 divisors, whose sum is σ = 1979560105358. Its totient is φ = 1979560105356.

The previous prime is 1979560105099. The next prime is 1979560105363. The reversal of 1979560105357 is 7535010659791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1654256420041 + 325303685316 = 1286179^2 + 570354^2 .

It is an emirp because it is prime and its reverse (7535010659791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1979560105357 - 2¹¹ = 1979560103309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1979560103357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 989780052678 + 989780052679.

It is an arithmetic number, because the mean of its divisors is an integer number (989780052679).

Almost surely, 2^{1979560105357} is an apocalyptic number.

It is an amenable number.

1979560105357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1979560105357 is an equidigital number, since it uses as much as digits as its factorization.

1979560105357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8930250, while the sum is 58.

The spelling of 1979560105357 in words is "one trillion, nine hundred seventy-nine billion, five hundred sixty million, one hundred five thousand, three hundred fifty-seven".