361897689667 has 2 divisors, whose sum is σ = 361897689668. Its totient is φ = 361897689666.

The previous prime is 361897689653. The next prime is 361897689697. The reversal of 361897689667 is 766986798163.

It is a weak prime.

It is an emirp because it is prime and its reverse (766986798163) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361897689667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 361897689593 and 361897689602.

It is not a weakly prime, because it can be changed into another prime (361897689607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180948844833 + 180948844834.

It is an arithmetic number, because the mean of its divisors is an integer number (180948844834).

Almost surely, 2^361897689667 is an apocalyptic number.

361897689667 is a deficient number, since it is larger than the sum of its proper divisors (1).

361897689667 is an equidigital number, since it uses as much as digits as its factorization.

361897689667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987614208, while the sum is 76.

The spelling of 361897689667 in words is "three hundred sixty-one billion, eight hundred ninety-seven million, six hundred eighty-nine thousand, six hundred sixty-seven".