13955544287 has 2 divisors, whose sum is σ = 13955544288. Its totient is φ = 13955544286.

The previous prime is 13955544233. The next prime is 13955544299. The reversal of 13955544287 is 78244555931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13955544287 - 2²⁴ = 13938767071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13955544587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6977772143 + 6977772144.

It is an arithmetic number, because the mean of its divisors is an integer number (6977772144).

Almost surely, 2^13955544287 is an apocalyptic number.

13955544287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13955544287 is an equidigital number, since it uses as much as digits as its factorization.

13955544287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048000, while the sum is 53.

The spelling of 13955544287 in words is "thirteen billion, nine hundred fifty-five million, five hundred forty-four thousand, two hundred eighty-seven".