14543120381 has 2 divisors, whose sum is σ = 14543120382. Its totient is φ = 14543120380.

The previous prime is 14543120321. The next prime is 14543120387. The reversal of 14543120381 is 18302134541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13434896281 + 1108224100 = 115909^2 + 33290^2 .

It is a cyclic number.

It is not a de Polignac number, because 14543120381 - 2¹⁸ = 14542858237 is a prime.

It is a super-2 number, since 2×14543120381² (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 (14543120387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7271560190 + 7271560191.

It is an arithmetic number, because the mean of its divisors is an integer number (7271560191).

Almost surely, 2^14543120381 is an apocalyptic number.

It is an amenable number.

14543120381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14543120381 is an equidigital number, since it uses as much as digits as its factorization.

14543120381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 14543120381 in words is "fourteen billion, five hundred forty-three million, one hundred twenty thousand, three hundred eighty-one".