6430654018 has 4 divisors (see below), whose sum is σ = 9645981030. Its totient is φ = 3215327008.

The previous prime is 6430654003. The next prime is 6430654033. The reversal of 6430654018 is 8104560346.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6430654003) and next prime (6430654033).

It can be written as a sum of positive squares in only one way, i.e., 6397280289 + 33373729 = 79983^2 + 5777^2 .

It is a super-2 number, since 2×6430654018² = 82706622198439088648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607663503 + ... + 1607663506.

Almost surely, 2^6430654018 is an apocalyptic number.

6430654018 is a deficient number, since it is larger than the sum of its proper divisors (3215327012).

6430654018 is a wasteful number, since it uses less digits than its factorization.

6430654018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215327011.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 6430654018 is about 80191.3587489325. The cubic root of 6430654018 is about 1859.5950498162.

The spelling of 6430654018 in words is "six billion, four hundred thirty million, six hundred fifty-four thousand, eighteen".