5543121464477 has 2 divisors, whose sum is σ = 5543121464478. Its totient is φ = 5543121464476.

The previous prime is 5543121464471. The next prime is 5543121464509. The reversal of 5543121464477 is 7744641213455.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5532590805316 + 10530659161 = 2352146^2 + 102619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5543121464477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5543121464471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2771560732238 + 2771560732239.

It is an arithmetic number, because the mean of its divisors is an integer number (2771560732239).

Almost surely, 2^{5543121464477} is an apocalyptic number.

It is an amenable number.

5543121464477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5543121464477 is an equidigital number, since it uses as much as digits as its factorization.

5543121464477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11289600, while the sum is 53.

The spelling of 5543121464477 in words is "five trillion, five hundred forty-three billion, one hundred twenty-one million, four hundred sixty-four thousand, four hundred seventy-seven".