6318964200025 has 81 divisors (see below), whose sum is σ = 8141715977463. Its totient is φ = 4865020876800.

The previous prime is 6318964200013. The next prime is 6318964200049. The reversal of 6318964200025 is 5200024698136.

The square root of 6318964200025 is 2513755.

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

It can be written as a sum of positive squares in 13 ways, for example, as 3941705949129 + 2377258250896 = 1985373^2 + 1541836^2 .

It is not a de Polignac number, because 6318964200025 - 2¹¹ = 6318964197977 is a prime.

It is a super-2 number, since 2×6318964200025² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 65143960777 + ... + 65143960873.

Almost surely, 2^{6318964200025} is an apocalyptic number.

6318964200025 is the 2513755-th square number.

6318964200025 is the 1256878-th centered octagonal number.

It is an amenable number.

6318964200025 is a deficient number, since it is larger than the sum of its proper divisors (1822751777438).

6318964200025 is an frugal number, since it uses more digits than its factorization.

6318964200025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 6318964200025 in words is "six trillion, three hundred eighteen billion, nine hundred sixty-four million, two hundred thousand, twenty-five".