4199889061 has 2 divisors, whose sum is σ = 4199889062. Its totient is φ = 4199889060.

The previous prime is 4199889053. The next prime is 4199889073. The reversal of 4199889061 is 1609889914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2505002500 + 1694886561 = 50050^2 + 41169^2 .

It is a cyclic number.

It is not a de Polignac number, because 4199889061 - 2³ = 4199889053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4199888993 and 4199889011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4199889091) 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, 2099944530 + 2099944531.

It is an arithmetic number, because the mean of its divisors is an integer number (2099944531).

Almost surely, 2^4199889061 is an apocalyptic number.

It is an amenable number.

4199889061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4199889061 is an equidigital number, since it uses as much as digits as its factorization.

4199889061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 55.

The square root of 4199889061 is about 64806.5510654594. The cubic root of 4199889061 is about 1613.4144401724.

The spelling of 4199889061 in words is "four billion, one hundred ninety-nine million, eight hundred eighty-nine thousand, sixty-one".