2520309469 has 2 divisors, whose sum is σ = 2520309470. Its totient is φ = 2520309468.

The previous prime is 2520309457. The next prime is 2520309487. The reversal of 2520309469 is 9649030252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2385052569 + 135256900 = 48837^2 + 11630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520309469 - 2¹⁹ = 2519785181 is a prime.

It is a super-2 number, since 2×2520309469² = 12703919639062123922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520309769) 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, 1260154734 + 1260154735.

It is an arithmetic number, because the mean of its divisors is an integer number (1260154735).

Almost surely, 2^2520309469 is an apocalyptic number.

It is an amenable number.

2520309469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520309469 is an equidigital number, since it uses as much as digits as its factorization.

2520309469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 2520309469 is about 50202.6838824380. The cubic root of 2520309469 is about 1360.8741260847.

The spelling of 2520309469 in words is "two billion, five hundred twenty million, three hundred nine thousand, four hundred sixty-nine".