6409725695999 has 8 divisors (see below), whose sum is σ = 6688562107392. Its totient is φ = 6130902008440.

The previous prime is 6409725695941. The next prime is 6409725696001. The reversal of 6409725695999 is 9995965279046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6409725695999 - 2⁸ = 6409725695743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6409725685999) 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, 2144339 + ... + 4173444.

It is an arithmetic number, because the mean of its divisors is an integer number (836070263424).

Almost surely, 2^{6409725695999} is an apocalyptic number.

6409725695999 is a deficient number, since it is larger than the sum of its proper divisors (278836411393).

6409725695999 is a wasteful number, since it uses less digits than its factorization.

6409725695999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6361917.

The product of its (nonzero) digits is 2976069600, while the sum is 80.

The spelling of 6409725695999 in words is "six trillion, four hundred nine billion, seven hundred twenty-five million, six hundred ninety-five thousand, nine hundred ninety-nine".