6479640001 has 2 divisors, whose sum is σ = 6479640002. Its totient is φ = 6479640000.

The previous prime is 6479639983. The next prime is 6479640023. The reversal of 6479640001 is 1000469746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4987749376 + 1491890625 = 70624^2 + 38625^2 .

It is a cyclic number.

It is not a de Polignac number, because 6479640001 - 2²¹ = 6477542849 is a prime.

It is not a weakly prime, because it can be changed into another prime (6479640071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3239820000 + 3239820001.

It is an arithmetic number, because the mean of its divisors is an integer number (3239820001).

Almost surely, 2^6479640001 is an apocalyptic number.

It is an amenable number.

6479640001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6479640001 is an equidigital number, since it uses as much as digits as its factorization.

6479640001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6479640001 is about 80496.2110971690. The cubic root of 6479640001 is about 1864.3049782232.

The spelling of 6479640001 in words is "six billion, four hundred seventy-nine million, six hundred forty thousand, one".