489274143461 has 2 divisors, whose sum is σ = 489274143462. Its totient is φ = 489274143460.

The previous prime is 489274143361. The next prime is 489274143467. The reversal of 489274143461 is 164341472984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 403486662436 + 85787481025 = 635206^2 + 292895^2 .

It is a cyclic number.

It is not a de Polignac number, because 489274143461 - 2¹⁴ = 489274127077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489274143467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244637071730 + 244637071731.

It is an arithmetic number, because the mean of its divisors is an integer number (244637071731).

Almost surely, 2^489274143461 is an apocalyptic number.

It is an amenable number.

489274143461 is a deficient number, since it is larger than the sum of its proper divisors (1).

489274143461 is an equidigital number, since it uses as much as digits as its factorization.

489274143461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 53.

The spelling of 489274143461 in words is "four hundred eighty-nine billion, two hundred seventy-four million, one hundred forty-three thousand, four hundred sixty-one".