611426109 has 16 divisors (see below), whose sum is σ = 943493120. Its totient is φ = 344962800.

The previous prime is 611426093. The next prime is 611426117. The reversal of 611426109 is 901624116.

It is a happy number.

It is not a de Polignac number, because 611426109 - 2⁴ = 611426093 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 (611426129) 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 in 15 ways as a sum of consecutive naturals, for example, 182617 + ... + 185934.

It is an arithmetic number, because the mean of its divisors is an integer number (58968320).

Almost surely, 2^611426109 is an apocalyptic number.

It is an amenable number.

611426109 is a deficient number, since it is larger than the sum of its proper divisors (332067011).

611426109 is a wasteful number, since it uses less digits than its factorization.

611426109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368640.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 611426109 is about 24727.0319488611. The cubic root of 611426109 is about 848.7530084058.

It can be divided in two parts, 6114 and 26109, that added together give a palindrome (32223).

The spelling of 611426109 in words is "six hundred eleven million, four hundred twenty-six thousand, one hundred nine".