4345120543 has 2 divisors, whose sum is σ = 4345120544. Its totient is φ = 4345120542.

The previous prime is 4345120541. The next prime is 4345120553. The reversal of 4345120543 is 3450215434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4345120543 - 2¹ = 4345120541 is a prime.

It is a super-2 number, since 2×4345120543² = 37760145066401229698, which contains 22 as substring.

Together with 4345120541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4345120541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172560271 + 2172560272.

It is an arithmetic number, because the mean of its divisors is an integer number (2172560272).

Almost surely, 2^4345120543 is an apocalyptic number.

4345120543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4345120543 is an equidigital number, since it uses as much as digits as its factorization.

4345120543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 4345120543 is about 65917.5283441362. The cubic root of 4345120543 is about 1631.8013061029.

Adding to 4345120543 its reverse (3450215434), we get a palindrome (7795335977).

The spelling of 4345120543 in words is "four billion, three hundred forty-five million, one hundred twenty thousand, five hundred forty-three".