6401250143 has 2 divisors, whose sum is σ = 6401250144. Its totient is φ = 6401250142.

The previous prime is 6401250139. The next prime is 6401250179. The reversal of 6401250143 is 3410521046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6401250143 - 2² = 6401250139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6401270143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200625071 + 3200625072.

It is an arithmetic number, because the mean of its divisors is an integer number (3200625072).

Almost surely, 2^6401250143 is an apocalyptic number.

6401250143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6401250143 is an equidigital number, since it uses as much as digits as its factorization.

6401250143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 6401250143 is about 80007.8130122302. The cubic root of 6401250143 is about 1856.7564141120.

Adding to 6401250143 its reverse (3410521046), we get a palindrome (9811771189).

The spelling of 6401250143 in words is "six billion, four hundred one million, two hundred fifty thousand, one hundred forty-three".