6464203315 has 4 divisors (see below), whose sum is σ = 7757043984. Its totient is φ = 5171362648.

The previous prime is 6464203303. The next prime is 6464203331. The reversal of 6464203315 is 5133024646.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5133024646 = 2 ⋅2566512323.

It is a cyclic number.

It is not a de Polignac number, because 6464203315 - 2¹⁵ = 6464170547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646420327 + ... + 646420336.

It is an arithmetic number, because the mean of its divisors is an integer number (1939260996).

Almost surely, 2^6464203315 is an apocalyptic number.

6464203315 is a deficient number, since it is larger than the sum of its proper divisors (1292840669).

6464203315 is a wasteful number, since it uses less digits than its factorization.

6464203315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292840668.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 6464203315 is about 80400.2693714393. The cubic root of 6464203315 is about 1862.8233334425.

The spelling of 6464203315 in words is "six billion, four hundred sixty-four million, two hundred three thousand, three hundred fifteen".