1163736949 has 4 divisors (see below), whose sum is σ = 1164125440. Its totient is φ = 1163348460.

The previous prime is 1163736923. The next prime is 1163736961. The reversal of 1163736949 is 9496373611.

It is a happy number.

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 not a de Polignac number, because 1163736949 - 2¹⁵ = 1163704181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163736979) 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, 189717 + ... + 195754.

It is an arithmetic number, because the mean of its divisors is an integer number (291031360).

Almost surely, 2^1163736949 is an apocalyptic number.

It is an amenable number.

1163736949 is a deficient number, since it is larger than the sum of its proper divisors (388491).

1163736949 is an equidigital number, since it uses as much as digits as its factorization.

1163736949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388490.

The product of its digits is 734832, while the sum is 49.

The square root of 1163736949 is about 34113.5889199597. The cubic root of 1163736949 is about 1051.8446633280.

The spelling of 1163736949 in words is "one billion, one hundred sixty-three million, seven hundred thirty-six thousand, nine hundred forty-nine".