4200745643 has 2 divisors, whose sum is σ = 4200745644. Its totient is φ = 4200745642.

The previous prime is 4200745639. The next prime is 4200745657. The reversal of 4200745643 is 3465470024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4200745643 - 2² = 4200745639 is a prime.

It is not a weakly prime, because it can be changed into another prime (4200745343) 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, 2100372821 + 2100372822.

It is an arithmetic number, because the mean of its divisors is an integer number (2100372822).

Almost surely, 2^4200745643 is an apocalyptic number.

4200745643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200745643 is an equidigital number, since it uses as much as digits as its factorization.

4200745643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 4200745643 is about 64813.1594894123. The cubic root of 4200745643 is about 1613.5241198808.

The spelling of 4200745643 in words is "four billion, two hundred million, seven hundred forty-five thousand, six hundred forty-three".