1020783373 has 2 divisors, whose sum is σ = 1020783374. Its totient is φ = 1020783372.

The previous prime is 1020783359. The next prime is 1020783403. The reversal of 1020783373 is 3733870201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661415524 + 359367849 = 25718^2 + 18957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020783373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020783073) 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, 510391686 + 510391687.

It is an arithmetic number, because the mean of its divisors is an integer number (510391687).

Almost surely, 2^1020783373 is an apocalyptic number.

It is an amenable number.

1020783373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020783373 is an equidigital number, since it uses as much as digits as its factorization.

1020783373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 1020783373 is about 31949.7006715243. The cubic root of 1020783373 is about 1006.8803433062.

The spelling of 1020783373 in words is "one billion, twenty million, seven hundred eighty-three thousand, three hundred seventy-three".