1113443941 has 2 divisors, whose sum is σ = 1113443942. Its totient is φ = 1113443940.

The previous prime is 1113443927. The next prime is 1113443963. The reversal of 1113443941 is 1493443111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 836887041 + 276556900 = 28929^2 + 16630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113443941 is a prime.

It is a super-2 number, since 2×1113443941² = 2479514819499222962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113443141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556721970 + 556721971.

It is an arithmetic number, because the mean of its divisors is an integer number (556721971).

Almost surely, 2^1113443941 is an apocalyptic number.

It is an amenable number.

1113443941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113443941 is an equidigital number, since it uses as much as digits as its factorization.

1113443941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 1113443941 is about 33368.3074338511. The cubic root of 1113443941 is about 1036.4685264327.

The spelling of 1113443941 in words is "one billion, one hundred thirteen million, four hundred forty-three thousand, nine hundred forty-one".