6243438403 has 2 divisors, whose sum is σ = 6243438404. Its totient is φ = 6243438402.

The previous prime is 6243438373. The next prime is 6243438413. The reversal of 6243438403 is 3048343426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6243438403 - 2¹³ = 6243430211 is a prime.

It is not a weakly prime, because it can be changed into another prime (6243438413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3121719201 + 3121719202.

It is an arithmetic number, because the mean of its divisors is an integer number (3121719202).

Almost surely, 2^6243438403 is an apocalyptic number.

6243438403 is a deficient number, since it is larger than the sum of its proper divisors (1).

6243438403 is an equidigital number, since it uses as much as digits as its factorization.

6243438403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 37.

The square root of 6243438403 is about 79015.4314232353. The cubic root of 6243438403 is about 1841.3709068029.

The spelling of 6243438403 in words is "six billion, two hundred forty-three million, four hundred thirty-eight thousand, four hundred three".