940503998789 has 2 divisors, whose sum is σ = 940503998790. Its totient is φ = 940503998788.

The previous prime is 940503998771. The next prime is 940503998809. The reversal of 940503998789 is 987899305049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 876064176289 + 64439822500 = 935983^2 + 253850^2 .

It is a cyclic number.

It is not a de Polignac number, because 940503998789 - 2³² = 936209031493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940503998729) 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, 470251999394 + 470251999395.

It is an arithmetic number, because the mean of its divisors is an integer number (470251999395).

Almost surely, 2^940503998789 is an apocalyptic number.

It is an amenable number.

940503998789 is a deficient number, since it is larger than the sum of its proper divisors (1).

940503998789 is an equidigital number, since it uses as much as digits as its factorization.

940503998789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176359680, while the sum is 71.

The spelling of 940503998789 in words is "nine hundred forty billion, five hundred three million, nine hundred ninety-eight thousand, seven hundred eighty-nine".