6464141309 has 4 divisors (see below), whose sum is σ = 6477096000. Its totient is φ = 6451186620.

The previous prime is 6464141293. The next prime is 6464141317. The reversal of 6464141309 is 9031414646.

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 6464141309 - 2⁴ = 6464141293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464141339) 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, 6476597 + ... + 6477594.

It is an arithmetic number, because the mean of its divisors is an integer number (1619274000).

Almost surely, 2^6464141309 is an apocalyptic number.

It is an amenable number.

6464141309 is a deficient number, since it is larger than the sum of its proper divisors (12954691).

6464141309 is a wasteful number, since it uses less digits than its factorization.

6464141309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954690.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 6464141309 is about 80399.8837623538. The cubic root of 6464141309 is about 1862.8173772255.

The spelling of 6464141309 in words is "six billion, four hundred sixty-four million, one hundred forty-one thousand, three hundred nine".