6434804479801 has 2 divisors, whose sum is σ = 6434804479802. Its totient is φ = 6434804479800.

The previous prime is 6434804479771. The next prime is 6434804479819. The reversal of 6434804479801 is 1089744084346.

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., 3942305554576 + 2492498925225 = 1985524^2 + 1578765^2 .

It is a cyclic number.

It is not a de Polignac number, because 6434804479801 - 2¹³ = 6434804471609 is a prime.

It is not a weakly prime, because it can be changed into another prime (6434804479861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217402239900 + 3217402239901.

It is an arithmetic number, because the mean of its divisors is an integer number (3217402239901).

Almost surely, 2^{6434804479801} is an apocalyptic number.

It is an amenable number.

6434804479801 is a deficient number, since it is larger than the sum of its proper divisors (1).

6434804479801 is an equidigital number, since it uses as much as digits as its factorization.

6434804479801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 6434804479801 in words is "six trillion, four hundred thirty-four billion, eight hundred four million, four hundred seventy-nine thousand, eight hundred one".