1141966849 has 9 divisors (see below), whose sum is σ = 1168406017. Its totient is φ = 1116115204.

The previous prime is 1141966841. The next prime is 1141966913. The reversal of 1141966849 is 9486691411.

The square root of 1141966849 is 33793.

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

It is not a de Polignac number, because 1141966849 - 2³ = 1141966841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141966841) 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, 1587912 + ... + 1588630.

Almost surely, 2^1141966849 is an apocalyptic number.

1141966849 is the 33793-rd square number.

1141966849 is the 16897-th centered octagonal number.

It is an amenable number.

1141966849 is a deficient number, since it is larger than the sum of its proper divisors (26439168).

1141966849 is an frugal number, since it uses more digits than its factorization.

1141966849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 766 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The cubic root of 1141966849 is about 1045.2443585056.

Multiplying 1141966849 by its sum of digits (49), we get a square (55956375601 = 236551²).

The spelling of 1141966849 in words is "one billion, one hundred forty-one million, nine hundred sixty-six thousand, eight hundred forty-nine".