11773769049 has 27 divisors (see below), whose sum is σ = 19786965237. Its totient is φ = 6726565944.

The previous prime is 11773769041. The next prime is 11773769057. The reversal of 11773769049 is 94096737711.

The square root of 11773769049 is 108507.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (11773769041) and next prime (11773769057).

It is not a de Polignac number, because 11773769049 - 2³ = 11773769041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11773768986 and 11773769004.

It is not an unprimeable number, because it can be changed into a prime (11773769041) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2276064 + ... + 2281230.

Almost surely, 2^11773769049 is an apocalyptic number.

11773769049 is the 108507-th square number.

11773769049 is the 54254-th centered octagonal number.

It is an amenable number.

11773769049 is a deficient number, since it is larger than the sum of its proper divisors (8013196188).

11773769049 is an frugal number, since it uses more digits than its factorization.

11773769049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10354 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The spelling of 11773769049 in words is "eleven billion, seven hundred seventy-three million, seven hundred sixty-nine thousand, forty-nine".