6339672401 has 2 divisors, whose sum is σ = 6339672402. Its totient is φ = 6339672400.

The previous prime is 6339672379. The next prime is 6339672421. The reversal of 6339672401 is 1042769336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4934922001 + 1404750400 = 70249^2 + 37480^2 .

It is a cyclic number.

It is not a de Polignac number, because 6339672401 - 2¹⁴ = 6339656017 is a prime.

It is a super-2 number, since 2×6339672401² = 80382892304002209602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6339672421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169836200 + 3169836201.

It is an arithmetic number, because the mean of its divisors is an integer number (3169836201).

Almost surely, 2^6339672401 is an apocalyptic number.

It is an amenable number.

6339672401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6339672401 is an equidigital number, since it uses as much as digits as its factorization.

6339672401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 6339672401 is about 79622.0597636107. The cubic root of 6339672401 is about 1850.7834423209.

The spelling of 6339672401 in words is "six billion, three hundred thirty-nine million, six hundred seventy-two thousand, four hundred one".