14554473781 has 2 divisors, whose sum is σ = 14554473782. Its totient is φ = 14554473780.

The previous prime is 14554473767. The next prime is 14554473793. The reversal of 14554473781 is 18737445541.

14554473781 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., 13140036900 + 1414436881 = 114630^2 + 37609^2 .

It is a cyclic number.

It is not a de Polignac number, because 14554473781 - 2⁵ = 14554473749 is a prime.

It is a super-2 number, since 2×14554473781² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14554423781) 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, 7277236890 + 7277236891.

It is an arithmetic number, because the mean of its divisors is an integer number (7277236891).

Almost surely, 2^14554473781 is an apocalyptic number.

It is an amenable number.

14554473781 is a deficient number, since it is larger than the sum of its proper divisors (1).

14554473781 is an equidigital number, since it uses as much as digits as its factorization.

14554473781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881600, while the sum is 49.

The spelling of 14554473781 in words is "fourteen billion, five hundred fifty-four million, four hundred seventy-three thousand, seven hundred eighty-one".