341979863557 has 2 divisors, whose sum is σ = 341979863558. Its totient is φ = 341979863556.

The previous prime is 341979863539. The next prime is 341979863567. The reversal of 341979863557 is 755368979143.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337312377796 + 4667485761 = 580786^2 + 68319^2 .

It is a cyclic number.

It is not a de Polignac number, because 341979863557 - 2¹⁵ = 341979830789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 341979863492 and 341979863501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341979863527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170989931778 + 170989931779.

It is an arithmetic number, because the mean of its divisors is an integer number (170989931779).

Almost surely, 2^341979863557 is an apocalyptic number.

It is an amenable number.

341979863557 is a deficient number, since it is larger than the sum of its proper divisors (1).

341979863557 is an equidigital number, since it uses as much as digits as its factorization.

341979863557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 171460800, while the sum is 67.

The spelling of 341979863557 in words is "three hundred forty-one billion, nine hundred seventy-nine million, eight hundred sixty-three thousand, five hundred fifty-seven".