5555572471409 has 2 divisors, whose sum is σ = 5555572471410. Its totient is φ = 5555572471408.

The previous prime is 5555572471349. The next prime is 5555572471447. The reversal of 5555572471409 is 9041742755555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3890835150400 + 1664737321009 = 1972520^2 + 1290247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5555572471409 is a prime.

It is not a weakly prime, because it can be changed into another prime (5555572471499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777786235704 + 2777786235705.

It is an arithmetic number, because the mean of its divisors is an integer number (2777786235705).

Almost surely, 2^{5555572471409} is an apocalyptic number.

It is an amenable number.

5555572471409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555572471409 is an equidigital number, since it uses as much as digits as its factorization.

5555572471409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100000, while the sum is 59.

The spelling of 5555572471409 in words is "five trillion, five hundred fifty-five billion, five hundred seventy-two million, four hundred seventy-one thousand, four hundred nine".