286672249961 has 2 divisors, whose sum is σ = 286672249962. Its totient is φ = 286672249960.

The previous prime is 286672249951. The next prime is 286672250069. The reversal of 286672249961 is 169942276682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237368712025 + 49303537936 = 487205^2 + 222044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-286672249961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 286672249894 and 286672249903.

It is not a weakly prime, because it can be changed into another prime (286672249901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143336124980 + 143336124981.

It is an arithmetic number, because the mean of its divisors is an integer number (143336124981).

Almost surely, 2^286672249961 is an apocalyptic number.

It is an amenable number.

286672249961 is a deficient number, since it is larger than the sum of its proper divisors (1).

286672249961 is an equidigital number, since it uses as much as digits as its factorization.

286672249961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 62.

The spelling of 286672249961 in words is "two hundred eighty-six billion, six hundred seventy-two million, two hundred forty-nine thousand, nine hundred sixty-one".