4252659538 has 16 divisors (see below), whose sum is σ = 6399411480. Its totient is φ = 2119532800.

The previous prime is 4252659533. The next prime is 4252659539. The reversal of 4252659538 is 8359562524.

It can be written as a sum of positive squares in 4 ways, for example, as 3730399929 + 522259609 = 61077^2 + 22853^2 .

It is a super-2 number, since 2×4252659538² = 36170226292284746888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4252659491 and 4252659500.

It is not an unprimeable number, because it can be changed into a prime (4252659533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1253148 + ... + 1256536.

Almost surely, 2^4252659538 is an apocalyptic number.

4252659538 is a deficient number, since it is larger than the sum of its proper divisors (2146751942).

4252659538 is a wasteful number, since it uses less digits than its factorization.

4252659538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213.

The product of its digits is 2592000, while the sum is 49.

The square root of 4252659538 is about 65212.4185872599. The cubic root of 4252659538 is about 1620.1437074670.

The spelling of 4252659538 in words is "four billion, two hundred fifty-two million, six hundred fifty-nine thousand, five hundred thirty-eight".