68453783 has 2 divisors, whose sum is σ = 68453784. Its totient is φ = 68453782.

The previous prime is 68453771. The next prime is 68453813. The reversal of 68453783 is 38735486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68453783 - 2⁴ = 68453767 is a prime.

It is a super-2 number, since 2×68453783² = 9371840814022178, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68453743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34226891 + 34226892.

It is an arithmetic number, because the mean of its divisors is an integer number (34226892).

Almost surely, 2^68453783 is an apocalyptic number.

68453783 is a deficient number, since it is larger than the sum of its proper divisors (1).

68453783 is an equidigital number, since it uses as much as digits as its factorization.

68453783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 68453783 is about 8273.6801364326. The cubic root of 68453783 is about 409.0714321786.

The spelling of 68453783 in words is "sixty-eight million, four hundred fifty-three thousand, seven hundred eighty-three".