4245628979 has 2 divisors, whose sum is σ = 4245628980. Its totient is φ = 4245628978.

The previous prime is 4245628969. The next prime is 4245628991. The reversal of 4245628979 is 9798265424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4245628979 - 2²⁸ = 3977193523 is a prime.

It is not a weakly prime, because it can be changed into another prime (4245628969) 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, 2122814489 + 2122814490.

It is an arithmetic number, because the mean of its divisors is an integer number (2122814490).

Almost surely, 2^4245628979 is an apocalyptic number.

4245628979 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245628979 is an equidigital number, since it uses as much as digits as its factorization.

4245628979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 56.

The square root of 4245628979 is about 65158.4912271609. The cubic root of 4245628979 is about 1619.2503999118.

The spelling of 4245628979 in words is "four billion, two hundred forty-five million, six hundred twenty-eight thousand, nine hundred seventy-nine".