6925661894705 has 16 divisors (see below), whose sum is σ = 8351225515008. Its totient is φ = 5513581920000.

The previous prime is 6925661894699. The next prime is 6925661894729. The reversal of 6925661894705 is 5074981665296.

It is not a de Polignac number, because 6925661894705 - 2⁴ = 6925661894689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8119280 + ... + 8931630.

It is an arithmetic number, because the mean of its divisors is an integer number (521951594688).

Almost surely, 2^{6925661894705} is an apocalyptic number.

It is an amenable number.

6925661894705 is a deficient number, since it is larger than the sum of its proper divisors (1425563620303).

6925661894705 is a wasteful number, since it uses less digits than its factorization.

6925661894705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820648.

The product of its (nonzero) digits is 195955200, while the sum is 68.

The spelling of 6925661894705 in words is "six trillion, nine hundred twenty-five billion, six hundred sixty-one million, eight hundred ninety-four thousand, seven hundred five".