487697523649 has 16 divisors (see below), whose sum is σ = 558578500480. Its totient is φ = 417119829120.

The previous prime is 487697523637. The next prime is 487697523667. The reversal of 487697523649 is 946325796784.

It is a cyclic number.

It is not a de Polignac number, because 487697523649 - 2²¹ = 487695426497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487697523619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7479709 + ... + 7544629.

It is an arithmetic number, because the mean of its divisors is an integer number (34911156280).

Almost surely, 2^487697523649 is an apocalyptic number.

It is an amenable number.

487697523649 is a deficient number, since it is larger than the sum of its proper divisors (70880976831).

487697523649 is a wasteful number, since it uses less digits than its factorization.

487697523649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67240.

The product of its digits is 548674560, while the sum is 70.

The spelling of 487697523649 in words is "four hundred eighty-seven billion, six hundred ninety-seven million, five hundred twenty-three thousand, six hundred forty-nine".