6464642023 has 8 divisors (see below), whose sum is σ = 7777013120. Its totient is φ = 5249483640.

The previous prime is 6464642021. The next prime is 6464642027. The reversal of 6464642023 is 3202464646.

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 6464642023 - 2¹ = 6464642021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464642021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24303033 + ... + 24303298.

It is an arithmetic number, because the mean of its divisors is an integer number (972126640).

Almost surely, 2^6464642023 is an apocalyptic number.

6464642023 is a deficient number, since it is larger than the sum of its proper divisors (1312371097).

6464642023 is a wasteful number, since it uses less digits than its factorization.

6464642023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48606357.

The product of its (nonzero) digits is 165888, while the sum is 37.

The square root of 6464642023 is about 80402.9975995920. The cubic root of 6464642023 is about 1862.8654740834.

The spelling of 6464642023 in words is "six billion, four hundred sixty-four million, six hundred forty-two thousand, twenty-three".