6131065643 has 2 divisors, whose sum is σ = 6131065644. Its totient is φ = 6131065642.

The previous prime is 6131065621. The next prime is 6131065687. The reversal of 6131065643 is 3465601316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6131065643 - 2¹⁴ = 6131049259 is a prime.

It is not a weakly prime, because it can be changed into another prime (6131065693) 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, 3065532821 + 3065532822.

It is an arithmetic number, because the mean of its divisors is an integer number (3065532822).

Almost surely, 2^6131065643 is an apocalyptic number.

6131065643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6131065643 is an equidigital number, since it uses as much as digits as its factorization.

6131065643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 6131065643 is about 78301.1215947767. The cubic root of 6131065643 is about 1830.2566296812.

Adding to 6131065643 its reverse (3465601316), we get a palindrome (9596666959).

The spelling of 6131065643 in words is "six billion, one hundred thirty-one million, sixty-five thousand, six hundred forty-three".