6464545213431 has 32 divisors (see below), whose sum is σ = 8652115064320. Its totient is φ = 4293378432000.

The previous prime is 6464545213409. The next prime is 6464545213457. The reversal of 6464545213431 is 1343125454646.

It is not a de Polignac number, because 6464545213431 - 2³⁷ = 6327106259959 is a prime.

It is a super-3 number, since 3×6464545213431³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464545213331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2991458991 + ... + 2991461151.

It is an arithmetic number, because the mean of its divisors is an integer number (270378595760).

Almost surely, 2^{6464545213431} is an apocalyptic number.

6464545213431 is a deficient number, since it is larger than the sum of its proper divisors (2187569850889).

6464545213431 is a wasteful number, since it uses less digits than its factorization.

6464545213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527.

The product of its digits is 4147200, while the sum is 48.

The spelling of 6464545213431 in words is "six trillion, four hundred sixty-four billion, five hundred forty-five million, two hundred thirteen thousand, four hundred thirty-one".