940209469 has 2 divisors, whose sum is σ = 940209470. Its totient is φ = 940209468.

The previous prime is 940209451. The next prime is 940209481. The reversal of 940209469 is 964902049.

940209469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475806969 + 464402500 = 21813^2 + 21550^2 .

It is a cyclic number.

It is not a de Polignac number, because 940209469 - 2¹³ = 940201277 is a prime.

It is a super-2 number, since 2×940209469² = 1767987691194523922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940209169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470104734 + 470104735.

It is an arithmetic number, because the mean of its divisors is an integer number (470104735).

Almost surely, 2^940209469 is an apocalyptic number.

It is an amenable number.

940209469 is a deficient number, since it is larger than the sum of its proper divisors (1).

940209469 is an equidigital number, since it uses as much as digits as its factorization.

940209469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 940209469 is about 30662.8353059530. The cubic root of 940209469 is about 979.6588667591.

The spelling of 940209469 in words is "nine hundred forty million, two hundred nine thousand, four hundred sixty-nine".