4171390989 has 16 divisors (see below), whose sum is σ = 5797441728. Its totient is φ = 2665377792.

The previous prime is 4171390987. The next prime is 4171390991. The reversal of 4171390989 is 9890931714.

It is a happy number.

4171390989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4171390987) and next prime (4171390991).

It is not a de Polignac number, because 4171390989 - 2¹ = 4171390987 is a prime.

It is a super-2 number, since 2×4171390989² = 34801005566220796242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4171390987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273012 + ... + 287885.

It is an arithmetic number, because the mean of its divisors is an integer number (362340108).

Almost surely, 2^4171390989 is an apocalyptic number.

It is an amenable number.

4171390989 is a deficient number, since it is larger than the sum of its proper divisors (1626050739).

4171390989 is a wasteful number, since it uses less digits than its factorization.

4171390989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561004.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 4171390989 is about 64586.3065130682. The cubic root of 4171390989 is about 1609.7569157067.

The spelling of 4171390989 in words is "four billion, one hundred seventy-one million, three hundred ninety thousand, nine hundred eighty-nine".