1913116333 has 6 divisors (see below), whose sum is σ = 1999912334. Its totient is φ = 1829936856.

The previous prime is 1913116319. The next prime is 1913116349. The reversal of 1913116333 is 3336113191.

It can be written as a sum of positive squares in only one way, i.e., 1897647844 + 15468489 = 43562^2 + 3933^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1913116333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1913116295 and 1913116304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913116363) 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 5 ways as a sum of consecutive naturals, for example, 1807710 + ... + 1808767.

Almost surely, 2^1913116333 is an apocalyptic number.

It is an amenable number.

1913116333 is a deficient number, since it is larger than the sum of its proper divisors (86796001).

1913116333 is an equidigital number, since it uses as much as digits as its factorization.

1913116333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616523 (or 3616500 counting only the distinct ones).

The product of its digits is 4374, while the sum is 31.

The square root of 1913116333 is about 43739.1853262038. The cubic root of 1913116333 is about 1241.4058658071.

The spelling of 1913116333 in words is "one billion, nine hundred thirteen million, one hundred sixteen thousand, three hundred thirty-three".