2766636149 has 4 divisors (see below), whose sum is σ = 2769145536. Its totient is φ = 2764126764.

The previous prime is 2766636107. The next prime is 2766636157. The reversal of 2766636149 is 9416366672.

2766636149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-2766636149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2766636097 and 2766636106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2766636179) 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, 1253039 + ... + 1255244.

It is an arithmetic number, because the mean of its divisors is an integer number (692286384).

Almost surely, 2^2766636149 is an apocalyptic number.

It is an amenable number.

2766636149 is a deficient number, since it is larger than the sum of its proper divisors (2509387).

2766636149 is a wasteful number, since it uses less digits than its factorization.

2766636149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509386.

The product of its digits is 1959552, while the sum is 50.

The square root of 2766636149 is about 52598.8226959501. The cubic root of 2766636149 is about 1403.8391476843.

The spelling of 2766636149 in words is "two billion, seven hundred sixty-six million, six hundred thirty-six thousand, one hundred forty-nine".