6136440403 has 2 divisors, whose sum is σ = 6136440404. Its totient is φ = 6136440402.

The previous prime is 6136440389. The next prime is 6136440449. The reversal of 6136440403 is 3040446316.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6136440403 - 2²⁹ = 5599569491 is a prime.

It is not a weakly prime, because it can be changed into another prime (6136440463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3068220201 + 3068220202.

It is an arithmetic number, because the mean of its divisors is an integer number (3068220202).

Almost surely, 2^6136440403 is an apocalyptic number.

6136440403 is a deficient number, since it is larger than the sum of its proper divisors (1).

6136440403 is an equidigital number, since it uses as much as digits as its factorization.

6136440403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 6136440403 is about 78335.4351682558. The cubic root of 6136440403 is about 1830.7913011138.

Adding to 6136440403 its reverse (3040446316), we get a palindrome (9176886719).

The spelling of 6136440403 in words is "six billion, one hundred thirty-six million, four hundred forty thousand, four hundred three".