6464530919 has 8 divisors (see below), whose sum is σ = 8059675008. Its totient is φ = 5037296760.

The previous prime is 6464530889. The next prime is 6464530921. The reversal of 6464530919 is 9190354646.

It is a happy number.

6464530919 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6464530919 - 2⁸ = 6464530663 is a prime.

It is a super-2 number, since 2×6464530919² = 83580320005413969122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464530019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41977397 + ... + 41977550.

It is an arithmetic number, because the mean of its divisors is an integer number (1007459376).

Almost surely, 2^6464530919 is an apocalyptic number.

6464530919 is a deficient number, since it is larger than the sum of its proper divisors (1595144089).

6464530919 is a wasteful number, since it uses less digits than its factorization.

6464530919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83954965.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 6464530919 is about 80402.3066771097. The cubic root of 6464530919 is about 1862.8548020312.

The spelling of 6464530919 in words is "six billion, four hundred sixty-four million, five hundred thirty thousand, nine hundred nineteen".