487638187024231 has 2 divisors, whose sum is σ = 487638187024232. Its totient is φ = 487638187024230.

The previous prime is 487638187024229. The next prime is 487638187024259. The reversal of 487638187024231 is 132420781836784.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 487638187024231 - 2¹ = 487638187024229 is a prime.

It is a super-2 number, since 2×487638187024231² (a number of 30 digits) contains 22 as substring.

Together with 487638187024229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487638187024531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243819093512115 + 243819093512116.

It is an arithmetic number, because the mean of its divisors is an integer number (243819093512116).

Almost surely, 2^{487638187024231} is an apocalyptic number.

487638187024231 is a deficient number, since it is larger than the sum of its proper divisors (1).

487638187024231 is an equidigital number, since it uses as much as digits as its factorization.

487638187024231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86704128, while the sum is 64.

The spelling of 487638187024231 in words is "four hundred eighty-seven trillion, six hundred thirty-eight billion, one hundred eighty-seven million, twenty-four thousand, two hundred thirty-one".