6431145013 has 8 divisors (see below), whose sum is σ = 6588140832. Its totient is φ = 6275943696.

The previous prime is 6431145011. The next prime is 6431145037. The reversal of 6431145013 is 3105411346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6431145013 - 2¹ = 6431145011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431145011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441370 + ... + 455707.

It is an arithmetic number, because the mean of its divisors is an integer number (823517604).

Almost surely, 2^6431145013 is an apocalyptic number.

It is an amenable number.

6431145013 is a deficient number, since it is larger than the sum of its proper divisors (156995819).

6431145013 is a wasteful number, since it uses less digits than its factorization.

6431145013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897251.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6431145013 is about 80194.4200864374. The cubic root of 6431145013 is about 1859.6423767097.

Adding to 6431145013 its reverse (3105411346), we get a palindrome (9536556359).

The spelling of 6431145013 in words is "six billion, four hundred thirty-one million, one hundred forty-five thousand, thirteen".