4200745639 has 2 divisors, whose sum is σ = 4200745640. Its totient is φ = 4200745638.

The previous prime is 4200745631. The next prime is 4200745643. The reversal of 4200745639 is 9365470024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4200745639 - 2³ = 4200745631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4200745631) 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, 2100372819 + 2100372820.

It is an arithmetic number, because the mean of its divisors is an integer number (2100372820).

Almost surely, 2^4200745639 is an apocalyptic number.

4200745639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200745639 is an equidigital number, since it uses as much as digits as its factorization.

4200745639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 4200745639 is about 64813.1594585544. The cubic root of 4200745639 is about 1613.5241193687.

The spelling of 4200745639 in words is "four billion, two hundred million, seven hundred forty-five thousand, six hundred thirty-nine".