6464103843 has 4 divisors (see below), whose sum is σ = 8618805128. Its totient is φ = 4309402560.

The previous prime is 6464103773. The next prime is 6464103869. The reversal of 6464103843 is 3483014646.

It is a happy number.

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

It is not a de Polignac number, because 6464103843 - 2¹⁴ = 6464087459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6464103883) 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, 1077350638 + ... + 1077350643.

It is an arithmetic number, because the mean of its divisors is an integer number (2154701282).

Almost surely, 2^6464103843 is an apocalyptic number.

6464103843 is a deficient number, since it is larger than the sum of its proper divisors (2154701285).

6464103843 is a wasteful number, since it uses less digits than its factorization.

6464103843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154701284.

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 6464103843 is about 80399.6507641669. The cubic root of 6464103843 is about 1862.8137782711.

The spelling of 6464103843 in words is "six billion, four hundred sixty-four million, one hundred three thousand, eight hundred forty-three".