287269150872461 has 2 divisors, whose sum is σ = 287269150872462. Its totient is φ = 287269150872460.

The previous prime is 287269150872413. The next prime is 287269150872469. The reversal of 287269150872461 is 164278051962782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194934232753225 + 92334918119236 = 13961885^2 + 9609106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-287269150872461 is a prime.

It is a super-3 number, since 3×287269150872461³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 287269150872391 and 287269150872400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287269150872469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143634575436230 + 143634575436231.

It is an arithmetic number, because the mean of its divisors is an integer number (143634575436231).

Almost surely, 2^{287269150872461} is an apocalyptic number.

It is an amenable number.

287269150872461 is a deficient number, since it is larger than the sum of its proper divisors (1).

287269150872461 is an equidigital number, since it uses as much as digits as its factorization.

287269150872461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162570240, while the sum is 68.

The spelling of 287269150872461 in words is "two hundred eighty-seven trillion, two hundred sixty-nine billion, one hundred fifty million, eight hundred seventy-two thousand, four hundred sixty-one".