4645623331 has 2 divisors, whose sum is σ = 4645623332. Its totient is φ = 4645623330.

The previous prime is 4645623277. The next prime is 4645623341. The reversal of 4645623331 is 1333265464.

4645623331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4645623331 is a prime.

It is a super-2 number, since 2×4645623331² = 43163632267063071122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4645623341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322811665 + 2322811666.

It is an arithmetic number, because the mean of its divisors is an integer number (2322811666).

Almost surely, 2^4645623331 is an apocalyptic number.

4645623331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645623331 is an equidigital number, since it uses as much as digits as its factorization.

4645623331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 37.

The square root of 4645623331 is about 68158.8096360258. The cubic root of 4645623331 is about 1668.5837049642.

Adding to 4645623331 its reverse (1333265464), we get a palindrome (5978888795).

The spelling of 4645623331 in words is "four billion, six hundred forty-five million, six hundred twenty-three thousand, three hundred thirty-one".