6430145217 has 4 divisors (see below), whose sum is σ = 8573526960. Its totient is φ = 4286763476.

The previous prime is 6430145203. The next prime is 6430145219. The reversal of 6430145217 is 7125410346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6430145217 - 2¹² = 6430141121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6430145219) 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 in 3 ways as a sum of consecutive naturals, for example, 1071690867 + ... + 1071690872.

It is an arithmetic number, because the mean of its divisors is an integer number (2143381740).

Almost surely, 2^6430145217 is an apocalyptic number.

It is an amenable number.

6430145217 is a deficient number, since it is larger than the sum of its proper divisors (2143381743).

6430145217 is a wasteful number, since it uses less digits than its factorization.

6430145217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143381742.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 6430145217 is about 80188.1862683026. The cubic root of 6430145217 is about 1859.5460040647.

The spelling of 6430145217 in words is "six billion, four hundred thirty million, one hundred forty-five thousand, two hundred seventeen".