64142466233 has 16 divisors (see below), whose sum is σ = 68871097296. Its totient is φ = 59520614400.

The previous prime is 64142466173. The next prime is 64142466247. The reversal of 64142466233 is 33266424146.

It can be written as a sum of positive squares in 8 ways, for example, as 27077360704 + 37065105529 = 164552^2 + 192523^2 .

It is a cyclic number.

It is not a de Polignac number, because 64142466233 - 2⁶ = 64142466169 is a prime.

It is a super-2 number, since 2×64142466233² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64142466533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4103633 + ... + 4119233.

It is an arithmetic number, because the mean of its divisors is an integer number (4304443581).

Almost surely, 2^64142466233 is an apocalyptic number.

It is an amenable number.

64142466233 is a deficient number, since it is larger than the sum of its proper divisors (4728631063).

64142466233 is a wasteful number, since it uses less digits than its factorization.

64142466233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19004.

The product of its digits is 497664, while the sum is 41.

The spelling of 64142466233 in words is "sixty-four billion, one hundred forty-two million, four hundred sixty-six thousand, two hundred thirty-three".