487049491 has 2 divisors, whose sum is σ = 487049492. Its totient is φ = 487049490.

The previous prime is 487049447. The next prime is 487049501. The reversal of 487049491 is 194940784.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 487049491 - 2¹⁵ = 487016723 is a prime.

It is a super-3 number, since 3×487049491³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (487049411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243524745 + 243524746.

It is an arithmetic number, because the mean of its divisors is an integer number (243524746).

Almost surely, 2^487049491 is an apocalyptic number.

487049491 is a deficient number, since it is larger than the sum of its proper divisors (1).

487049491 is an equidigital number, since it uses as much as digits as its factorization.

487049491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 487049491 is about 22069.1977878671. The cubic root of 487049491 is about 786.7879464655.

The spelling of 487049491 in words is "four hundred eighty-seven million, forty-nine thousand, four hundred ninety-one".