6896559401 has 2 divisors, whose sum is σ = 6896559402. Its totient is φ = 6896559400.

The previous prime is 6896559377. The next prime is 6896559419. The reversal of 6896559401 is 1049556986.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6205658176 + 690901225 = 78776^2 + 26285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6896559401 is a prime.

It is not a weakly prime, because it can be changed into another prime (6896559451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3448279700 + 3448279701.

It is an arithmetic number, because the mean of its divisors is an integer number (3448279701).

Almost surely, 2^6896559401 is an apocalyptic number.

It is an amenable number.

6896559401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6896559401 is an equidigital number, since it uses as much as digits as its factorization.

6896559401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The square root of 6896559401 is about 83045.5260745574. The cubic root of 6896559401 is about 1903.4617775865.

The spelling of 6896559401 in words is "six billion, eight hundred ninety-six million, five hundred fifty-nine thousand, four hundred one".