6403125073 has 2 divisors, whose sum is σ = 6403125074. Its totient is φ = 6403125072.

The previous prime is 6403125067. The next prime is 6403125107. The reversal of 6403125073 is 3705213046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3823196224 + 2579928849 = 61832^2 + 50793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6403125073 is a prime.

It is not a weakly prime, because it can be changed into another prime (6403125013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201562536 + 3201562537.

It is an arithmetic number, because the mean of its divisors is an integer number (3201562537).

Almost surely, 2^6403125073 is an apocalyptic number.

It is an amenable number.

6403125073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6403125073 is an equidigital number, since it uses as much as digits as its factorization.

6403125073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 6403125073 is about 80019.5293225348. The cubic root of 6403125073 is about 1856.9376781042.

The spelling of 6403125073 in words is "six billion, four hundred three million, one hundred twenty-five thousand, seventy-three".