538433783 has 2 divisors, whose sum is σ = 538433784. Its totient is φ = 538433782.

The previous prime is 538433773. The next prime is 538433801. The reversal of 538433783 is 387334835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538433783 - 2⁴ = 538433767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538433773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269216891 + 269216892.

It is an arithmetic number, because the mean of its divisors is an integer number (269216892).

Almost surely, 2^538433783 is an apocalyptic number.

538433783 is a deficient number, since it is larger than the sum of its proper divisors (1).

538433783 is an equidigital number, since it uses as much as digits as its factorization.

538433783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 44.

The square root of 538433783 is about 23204.1759819219. The cubic root of 538433783 is about 813.5372324088.

The spelling of 538433783 in words is "five hundred thirty-eight million, four hundred thirty-three thousand, seven hundred eighty-three".