4190889481 has 2 divisors, whose sum is σ = 4190889482. Its totient is φ = 4190889480.

The previous prime is 4190889449. The next prime is 4190889509. The reversal of 4190889481 is 1849880914.

4190889481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3790249225 + 400640256 = 61565^2 + 20016^2 .

It is a cyclic number.

It is not a de Polignac number, because 4190889481 - 2⁵ = 4190889449 is a prime.

It is a super-2 number, since 2×4190889481² = 35127109283912898722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4190889431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2095444740 + 2095444741.

It is an arithmetic number, because the mean of its divisors is an integer number (2095444741).

Almost surely, 2^4190889481 is an apocalyptic number.

It is an amenable number.

4190889481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4190889481 is an equidigital number, since it uses as much as digits as its factorization.

4190889481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 52.

The square root of 4190889481 is about 64737.0796452852. The cubic root of 4190889481 is about 1612.2612005085.

The spelling of 4190889481 in words is "four billion, one hundred ninety million, eight hundred eighty-nine thousand, four hundred eighty-one".