4203961387 has 2 divisors, whose sum is σ = 4203961388. Its totient is φ = 4203961386.

The previous prime is 4203961381. The next prime is 4203961417. The reversal of 4203961387 is 7831693024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4203961387 - 2⁷ = 4203961259 is a prime.

It is not a weakly prime, because it can be changed into another prime (4203961381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101980693 + 2101980694.

It is an arithmetic number, because the mean of its divisors is an integer number (2101980694).

Almost surely, 2^4203961387 is an apocalyptic number.

4203961387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4203961387 is an equidigital number, since it uses as much as digits as its factorization.

4203961387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 4203961387 is about 64837.9625451016. The cubic root of 4203961387 is about 1613.9357418088.

The spelling of 4203961387 in words is "four billion, two hundred three million, nine hundred sixty-one thousand, three hundred eighty-seven".