2040424242469 has 2 divisors, whose sum is σ = 2040424242470. Its totient is φ = 2040424242468.

The previous prime is 2040424242421. The next prime is 2040424242481. The reversal of 2040424242469 is 9642424240402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1027810716100 + 1012613526369 = 1013810^2 + 1006287^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040424242469 - 2¹⁹ = 2040423718181 is a prime.

It is a super-2 number, since 2×2040424242469² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040424248469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020212121234 + 1020212121235.

It is an arithmetic number, because the mean of its divisors is an integer number (1020212121235).

Almost surely, 2^{2040424242469} is an apocalyptic number.

It is an amenable number.

2040424242469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040424242469 is an equidigital number, since it uses as much as digits as its factorization.

2040424242469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 884736, while the sum is 43.

The spelling of 2040424242469 in words is "two trillion, forty billion, four hundred twenty-four million, two hundred forty-two thousand, four hundred sixty-nine".