1109946343 has 4 divisors (see below), whose sum is σ = 1210850568. Its totient is φ = 1009042120.

The previous prime is 1109946317. The next prime is 1109946361. The reversal of 1109946343 is 3436499011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1109946343 - 2⁹ = 1109945831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1109946296 and 1109946305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109944343) 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, 50452096 + ... + 50452117.

It is an arithmetic number, because the mean of its divisors is an integer number (302712642).

Almost surely, 2^1109946343 is an apocalyptic number.

1109946343 is a deficient number, since it is larger than the sum of its proper divisors (100904225).

1109946343 is a wasteful number, since it uses less digits than its factorization.

1109946343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100904224.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 1109946343 is about 33315.8572304541. The cubic root of 1109946343 is about 1035.3821215779.

The spelling of 1109946343 in words is "one billion, one hundred nine million, nine hundred forty-six thousand, three hundred forty-three".