4145861389 has 8 divisors (see below), whose sum is σ = 4553807040. Its totient is φ = 3756890016.

The previous prime is 4145861387. The next prime is 4145861393. The reversal of 4145861389 is 9831685414.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4145861389 - 2¹ = 4145861387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145861387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4743112 + ... + 4743985.

It is an arithmetic number, because the mean of its divisors is an integer number (569225880).

Almost surely, 2^4145861389 is an apocalyptic number.

It is an amenable number.

4145861389 is a deficient number, since it is larger than the sum of its proper divisors (407945651).

4145861389 is a wasteful number, since it uses less digits than its factorization.

4145861389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9487139.

The product of its digits is 829440, while the sum is 49.

The square root of 4145861389 is about 64388.3637701720. The cubic root of 4145861389 is about 1606.4662008103.

The spelling of 4145861389 in words is "four billion, one hundred forty-five million, eight hundred sixty-one thousand, three hundred eighty-nine".