38133443 has 2 divisors, whose sum is σ = 38133444. Its totient is φ = 38133442.

The previous prime is 38133439. The next prime is 38133457. The reversal of 38133443 is 34433183.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38133443 - 2² = 38133439 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (38133493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19066721 + 19066722.

It is an arithmetic number, because the mean of its divisors is an integer number (19066722).

Almost surely, 2^38133443 is an apocalyptic number.

38133443 is a deficient number, since it is larger than the sum of its proper divisors (1).

38133443 is an equidigital number, since it uses as much as digits as its factorization.

38133443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

The square root of 38133443 is about 6175.2281739220. The cubic root of 38133443 is about 336.5906178368.

The spelling of 38133443 in words is "thirty-eight million, one hundred thirty-three thousand, four hundred forty-three".