5555193663947 has 2 divisors, whose sum is σ = 5555193663948. Its totient is φ = 5555193663946.

The previous prime is 5555193663871. The next prime is 5555193663953. The reversal of 5555193663947 is 7493663915555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5555193663947 - 2²⁴ = 5555176886731 is a prime.

It is not a weakly prime, because it can be changed into another prime (5555193663347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777596831973 + 2777596831974.

It is an arithmetic number, because the mean of its divisors is an integer number (2777596831974).

Almost surely, 2^{5555193663947} is an apocalyptic number.

5555193663947 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555193663947 is an equidigital number, since it uses as much as digits as its factorization.

5555193663947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270000, while the sum is 68.

The spelling of 5555193663947 in words is "five trillion, five hundred fifty-five billion, one hundred ninety-three million, six hundred sixty-three thousand, nine hundred forty-seven".