2106776013 has 16 divisors (see below), whose sum is σ = 2876459520. Its totient is φ = 1370852784.

The previous prime is 2106775973. The next prime is 2106776033. The reversal of 2106776013 is 3106776012.

It is not a de Polignac number, because 2106776013 - 2²⁸ = 1838340557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106776033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198520 + ... + 208862.

It is an arithmetic number, because the mean of its divisors is an integer number (179778720).

Almost surely, 2^2106776013 is an apocalyptic number.

It is an amenable number.

2106776013 is a deficient number, since it is larger than the sum of its proper divisors (769683507).

2106776013 is a wasteful number, since it uses less digits than its factorization.

2106776013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11968.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 2106776013 is about 45899.6297697487. The cubic root of 2106776013 is about 1281.9550229101.

Subtracting 2106776013 from its reverse (3106776012), we obtain a palindrome (999999999).

The spelling of 2106776013 in words is "two billion, one hundred six million, seven hundred seventy-six thousand, thirteen".