1181413849 has 8 divisors (see below), whose sum is σ = 1472931648. Its totient is φ = 920582160.

The previous prime is 1181413843. The next prime is 1181413859. The reversal of 1181413849 is 9483141811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1181413849 - 2²³ = 1173025241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1181413843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7671442 + ... + 7671595.

It is an arithmetic number, because the mean of its divisors is an integer number (184116456).

Almost surely, 2^1181413849 is an apocalyptic number.

It is an amenable number.

1181413849 is a deficient number, since it is larger than the sum of its proper divisors (291517799).

1181413849 is a wasteful number, since it uses less digits than its factorization.

1181413849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343055.

The product of its digits is 27648, while the sum is 40.

The square root of 1181413849 is about 34371.7012817230. The cubic root of 1181413849 is about 1057.1436834379.

The spelling of 1181413849 in words is "one billion, one hundred eighty-one million, four hundred thirteen thousand, eight hundred forty-nine".