6450630613 has 4 divisors (see below), whose sum is σ = 7372149280. Its totient is φ = 5529111948.

The previous prime is 6450630611. The next prime is 6450630643. The reversal of 6450630613 is 3160360546.

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 6450630613 - 2¹ = 6450630611 is a prime.

It is a super-2 number, since 2×6450630613² = 83221270610745511538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450630611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460759323 + ... + 460759336.

It is an arithmetic number, because the mean of its divisors is an integer number (1843037320).

Almost surely, 2^6450630613 is an apocalyptic number.

It is an amenable number.

6450630613 is a deficient number, since it is larger than the sum of its proper divisors (921518667).

6450630613 is an equidigital number, since it uses as much as digits as its factorization.

6450630613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921518666.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 6450630613 is about 80315.8179501398. The cubic root of 6450630613 is about 1861.5186476659.

The spelling of 6450630613 in words is "six billion, four hundred fifty million, six hundred thirty thousand, six hundred thirteen".