14847554223421 has 2 divisors, whose sum is σ = 14847554223422. Its totient is φ = 14847554223420.

The previous prime is 14847554223407. The next prime is 14847554223427. The reversal of 14847554223421 is 12432245574841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12063708691225 + 2783845532196 = 3473285^2 + 1668486^2 .

It is a cyclic number.

It is not a de Polignac number, because 14847554223421 - 2⁹ = 14847554222909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14847554223427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7423777111710 + 7423777111711.

It is an arithmetic number, because the mean of its divisors is an integer number (7423777111711).

Almost surely, 2^{14847554223421} is an apocalyptic number.

It is an amenable number.

14847554223421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14847554223421 is an equidigital number, since it uses as much as digits as its factorization.

14847554223421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8601600, while the sum is 52.

The spelling of 14847554223421 in words is "fourteen trillion, eight hundred forty-seven billion, five hundred fifty-four million, two hundred twenty-three thousand, four hundred twenty-one".