487473202991 has 2 divisors, whose sum is σ = 487473202992. Its totient is φ = 487473202990.

The previous prime is 487473202927. The next prime is 487473203033. The reversal of 487473202991 is 199202374784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487473202991 - 2⁶ = 487473202927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (487473202691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243736601495 + 243736601496.

It is an arithmetic number, because the mean of its divisors is an integer number (243736601496).

Almost surely, 2^487473202991 is an apocalyptic number.

487473202991 is a deficient number, since it is larger than the sum of its proper divisors (1).

487473202991 is an equidigital number, since it uses as much as digits as its factorization.

487473202991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 487473202991 in words is "four hundred eighty-seven billion, four hundred seventy-three million, two hundred two thousand, nine hundred ninety-one".