68134050625 has 45 divisors (see below), whose sum is σ = 87219769021. Its totient is φ = 53207336000.

The previous prime is 68134050619. The next prime is 68134050679. The reversal of 68134050625 is 52605043186.

The square root of 68134050625 is 261025.

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

It can be written as a sum of positive squares in 22 ways, for example, as 47183225089 + 20950825536 = 217217^2 + 144744^2 .

It is not a de Polignac number, because 68134050625 - 2⁷ = 68134050497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 345858027 + ... + 345858223.

Almost surely, 2^68134050625 is an apocalyptic number.

68134050625 is the 261025-th square number.

68134050625 is the 130513-rd centered octagonal number.

It is an amenable number.

68134050625 is a deficient number, since it is larger than the sum of its proper divisors (19085718396).

68134050625 is an frugal number, since it uses more digits than its factorization.

68134050625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 68134050625 in words is "sixty-eight billion, one hundred thirty-four million, fifty thousand, six hundred twenty-five".