4645545551 has 2 divisors, whose sum is σ = 4645545552. Its totient is φ = 4645545550.

The previous prime is 4645545547. The next prime is 4645545571. The reversal of 4645545551 is 1555455464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4645545551 - 2² = 4645545547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4645545571) 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 as a sum of consecutive naturals, namely, 2322772775 + 2322772776.

It is an arithmetic number, because the mean of its divisors is an integer number (2322772776).

Almost surely, 2^4645545551 is an apocalyptic number.

4645545551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645545551 is an equidigital number, since it uses as much as digits as its factorization.

4645545551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200000, while the sum is 44.

The square root of 4645545551 is about 68158.2390544239. The cubic root of 4645545551 is about 1668.5743927467.

The spelling of 4645545551 in words is "four billion, six hundred forty-five million, five hundred forty-five thousand, five hundred fifty-one".