2469409901509 has 2 divisors, whose sum is σ = 2469409901510. Its totient is φ = 2469409901508.

The previous prime is 2469409901479. The next prime is 2469409901521. The reversal of 2469409901509 is 9051099049642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2468967977025 + 441924484 = 1571295^2 + 21022^2 .

It is a cyclic number.

It is not a de Polignac number, because 2469409901509 - 2¹³ = 2469409893317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2469409901599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234704950754 + 1234704950755.

It is an arithmetic number, because the mean of its divisors is an integer number (1234704950755).

Almost surely, 2^{2469409901509} is an apocalyptic number.

It is an amenable number.

2469409901509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2469409901509 is an equidigital number, since it uses as much as digits as its factorization.

2469409901509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 2469409901509 in words is "two trillion, four hundred sixty-nine billion, four hundred nine million, nine hundred one thousand, five hundred nine".