6403143137 has 2 divisors, whose sum is σ = 6403143138. Its totient is φ = 6403143136.

The previous prime is 6403143119. The next prime is 6403143161. The reversal of 6403143137 is 7313413046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5801716561 + 601426576 = 76169^2 + 24524^2 .

It is a cyclic number.

It is not a de Polignac number, because 6403143137 - 2¹⁸ = 6402880993 is a prime.

It is not a weakly prime, because it can be changed into another prime (6403143737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201571568 + 3201571569.

It is an arithmetic number, because the mean of its divisors is an integer number (3201571569).

Almost surely, 2^6403143137 is an apocalyptic number.

It is an amenable number.

6403143137 is a deficient number, since it is larger than the sum of its proper divisors (1).

6403143137 is an equidigital number, since it uses as much as digits as its factorization.

6403143137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 6403143137 is about 80019.6421949011. The cubic root of 6403143137 is about 1856.9394243188.

The spelling of 6403143137 in words is "six billion, four hundred three million, one hundred forty-three thousand, one hundred thirty-seven".