4646623433 has 4 divisors (see below), whose sum is σ = 4647330180. Its totient is φ = 4645916688.

The previous prime is 4646623427. The next prime is 4646623441. The reversal of 4646623433 is 3343266464.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32410249 + 4614213184 = 5693^2 + 67928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4646623433 is a prime.

It is a super-2 number, since 2×4646623433² = 43182218656209410978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4646623403) 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 3 ways as a sum of consecutive naturals, for example, 343418 + ... + 356691.

It is an arithmetic number, because the mean of its divisors is an integer number (1161832545).

Almost surely, 2^4646623433 is an apocalyptic number.

It is an amenable number.

4646623433 is a deficient number, since it is larger than the sum of its proper divisors (706747).

4646623433 is an equidigital number, since it uses as much as digits as its factorization.

4646623433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706746.

The product of its digits is 746496, while the sum is 41.

The square root of 4646623433 is about 68166.1457983360. The cubic root of 4646623433 is about 1668.7034330069.

Adding to 4646623433 its reverse (3343266464), we get a palindrome (7989889897).

The spelling of 4646623433 in words is "four billion, six hundred forty-six million, six hundred twenty-three thousand, four hundred thirty-three".