6918699036964 has 243 divisors, whose sum is σ = 15336885628953. Its totient is φ = 2727138585600.

The previous prime is 6918699036937. The next prime is 6918699036967. The reversal of 6918699036964 is 4696309968196.

The square root of 6918699036964 is 2630342.

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 4797598076964 + 2121100960000 = 2190342^2 + 1456400^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6918699036967) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 12788722534 + ... + 12788723074.

Almost surely, 2^{6918699036964} is an apocalyptic number.

6918699036964 is the 2630342-nd square number.

It is an amenable number.

6918699036964 is an abundant number, since it is smaller than the sum of its proper divisors (8418186591989).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6918699036964 is a wasteful number, since it uses less digits than its factorization.

6918699036964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 816293376, while the sum is 76.

The spelling of 6918699036964 in words is "six trillion, nine hundred eighteen billion, six hundred ninety-nine million, thirty-six thousand, nine hundred sixty-four".