487671278481133 has 2 divisors, whose sum is σ = 487671278481134. Its totient is φ = 487671278481132.

The previous prime is 487671278481109. The next prime is 487671278481151. The reversal of 487671278481133 is 331184872176784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412512470022409 + 75158808458724 = 20310403^2 + 8669418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487671278481133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487671278481433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243835639240566 + 243835639240567.

It is an arithmetic number, because the mean of its divisors is an integer number (243835639240567).

Almost surely, 2^{487671278481133} is an apocalyptic number.

It is an amenable number.

487671278481133 is a deficient number, since it is larger than the sum of its proper divisors (1).

487671278481133 is an equidigital number, since it uses as much as digits as its factorization.

487671278481133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 303464448, while the sum is 70.

The spelling of 487671278481133 in words is "four hundred eighty-seven trillion, six hundred seventy-one billion, two hundred seventy-eight million, four hundred eighty-one thousand, one hundred thirty-three".