658647488041 has 9 divisors (see below), whose sum is σ = 668679975831. Its totient is φ = 648763364832.

The previous prime is 658647487987. The next prime is 658647488077. The reversal of 658647488041 is 140884746856.

The square root of 658647488041 is 811571.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 201812085225 + 456835402816 = 449235^2 + 675896^2 .

It is not a de Polignac number, because 658647488041 - 2⁹ = 658647487529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (658647468041) 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 in 8 ways as a sum of consecutive naturals, for example, 54369201 + ... + 54381313.

Almost surely, 2^658647488041 is an apocalyptic number.

658647488041 is the 811571-st square number.

658647488041 is the 405786-th centered octagonal number.

It is an amenable number.

658647488041 is a deficient number, since it is larger than the sum of its proper divisors (10032487790).

658647488041 is an frugal number, since it uses more digits than its factorization.

658647488041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24360 (or 12180 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 61.

The spelling of 658647488041 in words is "six hundred fifty-eight billion, six hundred forty-seven million, four hundred eighty-eight thousand, forty-one".