638282460562 has 16 divisors (see below), whose sum is σ = 958647350232. Its totient is φ = 318733528960.

The previous prime is 638282460559. The next prime is 638282460601. The reversal of 638282460562 is 265064282836.

It can be written as a sum of positive squares in 4 ways, for example, as 610603150921 + 27679309641 = 781411^2 + 166371^2 .

It is a super-2 number, since 2×638282460562² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7211118 + ... + 7299094.

Almost surely, 2^638282460562 is an apocalyptic number.

638282460562 is a deficient number, since it is larger than the sum of its proper divisors (320364889670).

638282460562 is a wasteful number, since it uses less digits than its factorization.

638282460562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92573.

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 638282460562 in words is "six hundred thirty-eight billion, two hundred eighty-two million, four hundred sixty thousand, five hundred sixty-two".