14955505381 has 2 divisors, whose sum is σ = 14955505382. Its totient is φ = 14955505380.

The previous prime is 14955505297. The next prime is 14955505403. The reversal of 14955505381 is 18350555941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8573093281 + 6382412100 = 92591^2 + 79890^2 .

It is a cyclic number.

It is not a de Polignac number, because 14955505381 - 2¹⁷ = 14955374309 is a prime.

It is a super-2 number, since 2×14955505381² (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 (14955509381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7477752690 + 7477752691.

It is an arithmetic number, because the mean of its divisors is an integer number (7477752691).

Almost surely, 2^14955505381 is an apocalyptic number.

It is an amenable number.

14955505381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14955505381 is an equidigital number, since it uses as much as digits as its factorization.

14955505381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 46.

The spelling of 14955505381 in words is "fourteen billion, nine hundred fifty-five million, five hundred five thousand, three hundred eighty-one".