489274143361 has 2 divisors, whose sum is σ = 489274143362. Its totient is φ = 489274143360.

The previous prime is 489274143313. The next prime is 489274143461. The reversal of 489274143361 is 163341472984.

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., 437053210000 + 52220933361 = 661100^2 + 228519^2 .

It is a cyclic number.

It is not a de Polignac number, because 489274143361 - 2⁷ = 489274143233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489274143299 and 489274143308.

It is not a weakly prime, because it can be changed into another prime (489274143461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244637071680 + 244637071681.

It is an arithmetic number, because the mean of its divisors is an integer number (244637071681).

Almost surely, 2^489274143361 is an apocalyptic number.

It is an amenable number.

489274143361 is a deficient number, since it is larger than the sum of its proper divisors (1).

489274143361 is an equidigital number, since it uses as much as digits as its factorization.

489274143361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 52.

The spelling of 489274143361 in words is "four hundred eighty-nine billion, two hundred seventy-four million, one hundred forty-three thousand, three hundred sixty-one".