4645642429 has 2 divisors, whose sum is σ = 4645642430. Its totient is φ = 4645642428.

The previous prime is 4645642409. The next prime is 4645642447. The reversal of 4645642429 is 9242465464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4202539929 + 443102500 = 64827^2 + 21050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4645642429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4645642409) 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, 2322821214 + 2322821215.

It is an arithmetic number, because the mean of its divisors is an integer number (2322821215).

Almost surely, 2^4645642429 is an apocalyptic number.

It is an amenable number.

4645642429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645642429 is an equidigital number, since it uses as much as digits as its factorization.

4645642429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 46.

The square root of 4645642429 is about 68158.9497351595. The cubic root of 4645642429 is about 1668.5859914581.

The spelling of 4645642429 in words is "four billion, six hundred forty-five million, six hundred forty-two thousand, four hundred twenty-nine".