5402518243 has 2 divisors, whose sum is σ = 5402518244. Its totient is φ = 5402518242.

The previous prime is 5402518181. The next prime is 5402518327. The reversal of 5402518243 is 3428152045.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5402518243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5402518199 and 5402518208.

It is not a weakly prime, because it can be changed into another prime (5402518543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2701259121 + 2701259122.

It is an arithmetic number, because the mean of its divisors is an integer number (2701259122).

Almost surely, 2^5402518243 is an apocalyptic number.

5402518243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5402518243 is an equidigital number, since it uses as much as digits as its factorization.

5402518243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 5402518243 is about 73501.8247596616. The cubic root of 5402518243 is about 1754.6833185900.

The spelling of 5402518243 in words is "five billion, four hundred two million, five hundred eighteen thousand, two hundred forty-three".