1103764943 has 2 divisors, whose sum is σ = 1103764944. Its totient is φ = 1103764942.

The previous prime is 1103764919. The next prime is 1103764993. The reversal of 1103764943 is 3494673011.

It is a weak prime.

It is an emirp because it is prime and its reverse (3494673011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103764943 - 2¹⁰ = 1103763919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103764897 and 1103764906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103764913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551882471 + 551882472.

It is an arithmetic number, because the mean of its divisors is an integer number (551882472).

Almost surely, 2^1103764943 is an apocalyptic number.

1103764943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103764943 is an equidigital number, since it uses as much as digits as its factorization.

1103764943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1103764943 is about 33222.9580711893. The cubic root of 1103764943 is about 1033.4564942922.

The spelling of 1103764943 in words is "one billion, one hundred three million, seven hundred sixty-four thousand, nine hundred forty-three".