6431601413 has 2 divisors, whose sum is σ = 6431601414. Its totient is φ = 6431601412.

The previous prime is 6431601409. The next prime is 6431601427. The reversal of 6431601413 is 3141061346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5062749409 + 1368852004 = 71153^2 + 36998^2 .

It is a cyclic number.

It is not a de Polignac number, because 6431601413 - 2² = 6431601409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6431601443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215800706 + 3215800707.

It is an arithmetic number, because the mean of its divisors is an integer number (3215800707).

Almost surely, 2^6431601413 is an apocalyptic number.

It is an amenable number.

6431601413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6431601413 is an equidigital number, since it uses as much as digits as its factorization.

6431601413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6431601413 is about 80197.2656204686. The cubic root of 6431601413 is about 1859.6863668391.

Adding to 6431601413 its reverse (3141061346), we get a palindrome (9572662759).

The spelling of 6431601413 in words is "six billion, four hundred thirty-one million, six hundred one thousand, four hundred thirteen".