1041933821 has 2 divisors, whose sum is σ = 1041933822. Its totient is φ = 1041933820.

The previous prime is 1041933803. The next prime is 1041933883. The reversal of 1041933821 is 1283391401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 876811321 + 165122500 = 29611^2 + 12850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1041933821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041936821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520966910 + 520966911.

It is an arithmetic number, because the mean of its divisors is an integer number (520966911).

Almost surely, 2^1041933821 is an apocalyptic number.

It is an amenable number.

1041933821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041933821 is an equidigital number, since it uses as much as digits as its factorization.

1041933821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1041933821 is about 32278.9996902011. Note that the first 3 decimals coincide. The cubic root of 1041933821 is about 1013.7869858078.

The spelling of 1041933821 in words is "one billion, forty-one million, nine hundred thirty-three thousand, eight hundred twenty-one".