4261118389 has 4 divisors (see below), whose sum is σ = 4648492800. Its totient is φ = 3873743980.

The previous prime is 4261118387. The next prime is 4261118399. The reversal of 4261118389 is 9838111624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4261118389 - 2¹ = 4261118387 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 (4261118387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193687189 + ... + 193687210.

It is an arithmetic number, because the mean of its divisors is an integer number (1162123200).

Almost surely, 2^4261118389 is an apocalyptic number.

It is an amenable number.

4261118389 is a deficient number, since it is larger than the sum of its proper divisors (387374411).

4261118389 is a wasteful number, since it uses less digits than its factorization.

4261118389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387374410.

The product of its digits is 82944, while the sum is 43.

The square root of 4261118389 is about 65277.2425045666. The cubic root of 4261118389 is about 1621.2171908305.

The spelling of 4261118389 in words is "four billion, two hundred sixty-one million, one hundred eighteen thousand, three hundred eighty-nine".