1179441649 has 9 divisors (see below), whose sum is σ = 1201227339. Its totient is φ = 1158045960.

The previous prime is 1179441611. The next prime is 1179441667. The reversal of 1179441649 is 9461449711.

The square root of 1179441649 is 34343.

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

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 1141088400 = 6193^2 + 33780^2 .

It is not a de Polignac number, because 1179441649 - 2¹¹ = 1179439601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1179441599 and 1179441608.

It is not an unprimeable number, because it can be changed into a prime (1179441689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2094642 + ... + 2095204.

Almost surely, 2^1179441649 is an apocalyptic number.

1179441649 is the 34343-rd square number.

1179441649 is the 17172-nd centered octagonal number.

It is an amenable number.

1179441649 is a deficient number, since it is larger than the sum of its proper divisors (21785690).

1179441649 is an frugal number, since it uses more digits than its factorization.

1179441649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248 (or 624 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The cubic root of 1179441649 is about 1056.5551061731. Note that the first 3 decimals are identical.

The spelling of 1179441649 in words is "one billion, one hundred seventy-nine million, four hundred forty-one thousand, six hundred forty-nine".