6409725695941 has 2 divisors, whose sum is σ = 6409725695942. Its totient is φ = 6409725695940.

The previous prime is 6409725695927. The next prime is 6409725696001. The reversal of 6409725695941 is 1495965279046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4048727501025 + 2360998194916 = 2012145^2 + 1536554^2 .

It is a cyclic number.

It is not a de Polignac number, because 6409725695941 - 2²⁵ = 6409692141509 is a prime.

It is a super-3 number, since 3×6409725695941³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6409725615941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204862847970 + 3204862847971.

It is an arithmetic number, because the mean of its divisors is an integer number (3204862847971).

Almost surely, 2^{6409725695941} is an apocalyptic number.

It is an amenable number.

6409725695941 is a deficient number, since it is larger than the sum of its proper divisors (1).

6409725695941 is an equidigital number, since it uses as much as digits as its factorization.

6409725695941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146966400, while the sum is 67.

The spelling of 6409725695941 in words is "six trillion, four hundred nine billion, seven hundred twenty-five million, six hundred ninety-five thousand, nine hundred forty-one".