1163309005949 has 8 divisors (see below), whose sum is σ = 1191889923000. Its totient is φ = 1134737971200.

The previous prime is 1163309005919. The next prime is 1163309005961. The reversal of 1163309005949 is 9495009033611.

It can be written as a sum of positive squares in 4 ways, for example, as 52329765049 + 1110979240900 = 228757^2 + 1054030^2 .

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 1163309005949 - 2¹² = 1163309001853 is a prime.

It is a super-3 number, since 3×1163309005949³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1163309005897 and 1163309005906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163309005909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231972 + ... + 2703389.

It is an arithmetic number, because the mean of its divisors is an integer number (148986240375).

Almost surely, 2^{1163309005949} is an apocalyptic number.

It is an amenable number.

1163309005949 is a deficient number, since it is larger than the sum of its proper divisors (28580917051).

1163309005949 is an equidigital number, since it uses as much as digits as its factorization.

1163309005949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941151.

The product of its (nonzero) digits is 787320, while the sum is 50.

The spelling of 1163309005949 in words is "one trillion, one hundred sixty-three billion, three hundred nine million, five thousand, nine hundred forty-nine".