362201686681 has 2 divisors, whose sum is σ = 362201686682. Its totient is φ = 362201686680.

The previous prime is 362201686663. The next prime is 362201686703. The reversal of 362201686681 is 186686102263.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224352848281 + 137848838400 = 473659^2 + 371280^2 .

It is a cyclic number.

It is not a de Polignac number, because 362201686681 - 2²⁹ = 361664815769 is a prime.

It is a super-2 number, since 2×362201686681² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (362201687681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181100843340 + 181100843341.

It is an arithmetic number, because the mean of its divisors is an integer number (181100843341).

Almost surely, 2^362201686681 is an apocalyptic number.

It is an amenable number.

362201686681 is a deficient number, since it is larger than the sum of its proper divisors (1).

362201686681 is an equidigital number, since it uses as much as digits as its factorization.

362201686681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 362201686681 in words is "three hundred sixty-two billion, two hundred one million, six hundred eighty-six thousand, six hundred eighty-one".