361644446113 has 2 divisors, whose sum is σ = 361644446114. Its totient is φ = 361644446112.

The previous prime is 361644446071. The next prime is 361644446117. The reversal of 361644446113 is 311644446163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217037652129 + 144606793984 = 465873^2 + 380272^2 .

It is a cyclic number.

It is not a de Polignac number, because 361644446113 - 2¹⁷ = 361644315041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 361644446113.

It is not a weakly prime, because it can be changed into another prime (361644446117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180822223056 + 180822223057.

It is an arithmetic number, because the mean of its divisors is an integer number (180822223057).

Almost surely, 2^361644446113 is an apocalyptic number.

It is an amenable number.

361644446113 is a deficient number, since it is larger than the sum of its proper divisors (1).

361644446113 is an equidigital number, since it uses as much as digits as its factorization.

361644446113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 43.

The spelling of 361644446113 in words is "three hundred sixty-one billion, six hundred forty-four million, four hundred forty-six thousand, one hundred thirteen".