4247440708625 has 8 divisors (see below), whose sum is σ = 5300806004520. Its totient is φ = 3397952566800.

The previous prime is 4247440708613. The next prime is 4247440708627. The reversal of 4247440708625 is 5268070447424.

It is a Cunningham number, because it is equal to 2060932²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 4247440708624 = 1^2 + 2060932^2 .

It is not a de Polignac number, because 4247440708625 - 2²⁴ = 4247423931409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4247440708627) 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 in 7 ways as a sum of consecutive naturals, for example, 16989762710 + ... + 16989762959.

It is an arithmetic number, because the mean of its divisors is an integer number (662600750565).

Almost surely, 2^{4247440708625} is an apocalyptic number.

It is an amenable number.

4247440708625 is a deficient number, since it is larger than the sum of its proper divisors (1053365295895).

4247440708625 is an equidigital number, since it uses as much as digits as its factorization.

4247440708625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33979525684 (or 33979525674 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 53.

The spelling of 4247440708625 in words is "four trillion, two hundred forty-seven billion, four hundred forty million, seven hundred eight thousand, six hundred twenty-five".