13984199477 has 2 divisors, whose sum is σ = 13984199478. Its totient is φ = 13984199476.

The previous prime is 13984199419. The next prime is 13984199503. The reversal of 13984199477 is 77499148931.

13984199477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10069319716 + 3914879761 = 100346^2 + 62569^2 .

It is a cyclic number.

It is not a de Polignac number, because 13984199477 - 2⁸ = 13984199221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13984199077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6992099738 + 6992099739.

It is an arithmetic number, because the mean of its divisors is an integer number (6992099739).

Almost surely, 2^13984199477 is an apocalyptic number.

It is an amenable number.

13984199477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13984199477 is an equidigital number, since it uses as much as digits as its factorization.

13984199477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 62.

The spelling of 13984199477 in words is "thirteen billion, nine hundred eighty-four million, one hundred ninety-nine thousand, four hundred seventy-seven".