2543011400329 has 2 divisors, whose sum is σ = 2543011400330. Its totient is φ = 2543011400328.

The previous prime is 2543011400297. The next prime is 2543011400407. The reversal of 2543011400329 is 9230041103452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1870471993104 + 672539407225 = 1367652^2 + 820085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543011400329 - 2⁵ = 2543011400297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2543011400294 and 2543011400303.

It is not a weakly prime, because it can be changed into another prime (2543011400029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271505700164 + 1271505700165.

It is an arithmetic number, because the mean of its divisors is an integer number (1271505700165).

Almost surely, 2^{2543011400329} is an apocalyptic number.

It is an amenable number.

2543011400329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543011400329 is an equidigital number, since it uses as much as digits as its factorization.

2543011400329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 2543011400329 in words is "two trillion, five hundred forty-three billion, eleven million, four hundred thousand, three hundred twenty-nine".