361870673 has 2 divisors, whose sum is σ = 361870674. Its totient is φ = 361870672.

The previous prime is 361870667. The next prime is 361870699. The reversal of 361870673 is 376078163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214563904 + 147306769 = 14648^2 + 12137^2 .

It is an emirp because it is prime and its reverse (376078163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361870673 - 2¹² = 361866577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 361870673.

It is not a weakly prime, because it can be changed into another prime (361870603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180935336 + 180935337.

It is an arithmetic number, because the mean of its divisors is an integer number (180935337).

Almost surely, 2^361870673 is an apocalyptic number.

It is an amenable number.

361870673 is a deficient number, since it is larger than the sum of its proper divisors (1).

361870673 is an equidigital number, since it uses as much as digits as its factorization.

361870673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 361870673 is about 19022.8986487338. The cubic root of 361870673 is about 712.6087150414.

The spelling of 361870673 in words is "three hundred sixty-one million, eight hundred seventy thousand, six hundred seventy-three".