490243929271 has 2 divisors, whose sum is σ = 490243929272. Its totient is φ = 490243929270.

The previous prime is 490243929229. The next prime is 490243929283. The reversal of 490243929271 is 172929342094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490243929271 - 2¹⁹ = 490243404983 is a prime.

It is a super-2 number, since 2×490243929271² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490243923271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245121964635 + 245121964636.

It is an arithmetic number, because the mean of its divisors is an integer number (245121964636).

Almost surely, 2^490243929271 is an apocalyptic number.

490243929271 is a deficient number, since it is larger than the sum of its proper divisors (1).

490243929271 is an equidigital number, since it uses as much as digits as its factorization.

490243929271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 490243929271 in words is "four hundred ninety billion, two hundred forty-three million, nine hundred twenty-nine thousand, two hundred seventy-one".