6450764719 has 4 divisors (see below), whose sum is σ = 7372302544. Its totient is φ = 5529226896.

The previous prime is 6450764707. The next prime is 6450764729. The reversal of 6450764719 is 9174670546.

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

It is a cyclic number.

It is not a de Polignac number, because 6450764719 - 2⁵ = 6450764687 is a prime.

It is a super-2 number, since 2×6450764719² = 83224730919790297922, 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 (6450764729) 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, 460768902 + ... + 460768915.

It is an arithmetic number, because the mean of its divisors is an integer number (1843075636).

Almost surely, 2^6450764719 is an apocalyptic number.

6450764719 is a deficient number, since it is larger than the sum of its proper divisors (921537825).

6450764719 is an equidigital number, since it uses as much as digits as its factorization.

6450764719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921537824.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 6450764719 is about 80316.6528124772. The cubic root of 6450764719 is about 1861.5315476497.

The spelling of 6450764719 in words is "six billion, four hundred fifty million, seven hundred sixty-four thousand, seven hundred nineteen".