2611406813 has 8 divisors (see below), whose sum is σ = 2698598496. Its totient is φ = 2525418000.

The previous prime is 2611406803. The next prime is 2611406827. The reversal of 2611406813 is 3186041162.

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 2611406813 - 2⁸ = 2611406557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2611406813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611406803) 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, 296303 + ... + 304988.

It is an arithmetic number, because the mean of its divisors is an integer number (337324812).

Almost surely, 2^2611406813 is an apocalyptic number.

It is an amenable number.

2611406813 is a deficient number, since it is larger than the sum of its proper divisors (87191683).

2611406813 is a wasteful number, since it uses less digits than its factorization.

2611406813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601435.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2611406813 is about 51101.9257269234. The cubic root of 2611406813 is about 1377.0768505381.

Adding to 2611406813 its reverse (3186041162), we get a palindrome (5797447975).

The spelling of 2611406813 in words is "two billion, six hundred eleven million, four hundred six thousand, eight hundred thirteen".