1585879941197 has 2 divisors, whose sum is σ = 1585879941198. Its totient is φ = 1585879941196.

The previous prime is 1585879941047. The next prime is 1585879941209. The reversal of 1585879941197 is 7911499785851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301301436516 + 284578504681 = 1140746^2 + 533459^2 .

It is a cyclic number.

It is not a de Polignac number, because 1585879941197 - 2²² = 1585875746893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1585879991197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 792939970598 + 792939970599.

It is an arithmetic number, because the mean of its divisors is an integer number (792939970599).

Almost surely, 2^{1585879941197} is an apocalyptic number.

It is an amenable number.

1585879941197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1585879941197 is an equidigital number, since it uses as much as digits as its factorization.

1585879941197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 228614400, while the sum is 74.

The spelling of 1585879941197 in words is "one trillion, five hundred eighty-five billion, eight hundred seventy-nine million, nine hundred forty-one thousand, one hundred ninety-seven".