361971238193 has 2 divisors, whose sum is σ = 361971238194. Its totient is φ = 361971238192.

The previous prime is 361971238147. The next prime is 361971238271. The reversal of 361971238193 is 391832179163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361884058624 + 87179569 = 601568^2 + 9337^2 .

It is a cyclic number.

It is not a de Polignac number, because 361971238193 - 2²⁶ = 361904129329 is a prime.

It is not a weakly prime, because it can be changed into another prime (361971238093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180985619096 + 180985619097.

It is an arithmetic number, because the mean of its divisors is an integer number (180985619097).

Almost surely, 2^361971238193 is an apocalyptic number.

It is an amenable number.

361971238193 is a deficient number, since it is larger than the sum of its proper divisors (1).

361971238193 is an equidigital number, since it uses as much as digits as its factorization.

361971238193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The spelling of 361971238193 in words is "three hundred sixty-one billion, nine hundred seventy-one million, two hundred thirty-eight thousand, one hundred ninety-three".