940299110508209 has 2 divisors, whose sum is σ = 940299110508210. Its totient is φ = 940299110508208.

The previous prime is 940299110508179. The next prime is 940299110508377. The reversal of 940299110508209 is 902805011992049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624336576145984 + 315962534362225 = 24986728^2 + 17775335^2 .

It is a cyclic number.

It is not a de Polignac number, because 940299110508209 - 2¹⁶ = 940299110442673 is a prime.

It is not a weakly prime, because it can be changed into another prime (940299110508809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470149555254104 + 470149555254105.

It is an arithmetic number, because the mean of its divisors is an integer number (470149555254105).

Almost surely, 2^{940299110508209} is an apocalyptic number.

It is an amenable number.

940299110508209 is a deficient number, since it is larger than the sum of its proper divisors (1).

940299110508209 is an equidigital number, since it uses as much as digits as its factorization.

940299110508209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 59.

The spelling of 940299110508209 in words is "nine hundred forty trillion, two hundred ninety-nine billion, one hundred ten million, five hundred eight thousand, two hundred nine".