361404660847 has 2 divisors, whose sum is σ = 361404660848. Its totient is φ = 361404660846.

The previous prime is 361404660833. The next prime is 361404660863. The reversal of 361404660847 is 748066404163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 361404660847 - 2¹¹ = 361404658799 is a prime.

It is a super-2 number, since 2×361404660847² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361404660847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361404667847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180702330423 + 180702330424.

It is an arithmetic number, because the mean of its divisors is an integer number (180702330424).

Almost surely, 2^361404660847 is an apocalyptic number.

361404660847 is a deficient number, since it is larger than the sum of its proper divisors (1).

361404660847 is an equidigital number, since it uses as much as digits as its factorization.

361404660847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 361404660847 in words is "three hundred sixty-one billion, four hundred four million, six hundred sixty thousand, eight hundred forty-seven".