361339800843641 has 2 divisors, whose sum is σ = 361339800843642. Its totient is φ = 361339800843640.

The previous prime is 361339800843569. The next prime is 361339800843683. The reversal of 361339800843641 is 146348008933163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223639433067241 + 137700367776400 = 14954579^2 + 11734580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361339800843641 is a prime.

It is a super-2 number, since 2×361339800843641² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (361339800843041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180669900421820 + 180669900421821.

It is an arithmetic number, because the mean of its divisors is an integer number (180669900421821).

Almost surely, 2^{361339800843641} is an apocalyptic number.

It is an amenable number.

361339800843641 is a deficient number, since it is larger than the sum of its proper divisors (1).

361339800843641 is an equidigital number, since it uses as much as digits as its factorization.

361339800843641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26873856, while the sum is 59.

The spelling of 361339800843641 in words is "three hundred sixty-one trillion, three hundred thirty-nine billion, eight hundred million, eight hundred forty-three thousand, six hundred forty-one".