2439773009497 has 4 divisors (see below), whose sum is σ = 2568182115280. Its totient is φ = 2311363903716.

The previous prime is 2439773009489. The next prime is 2439773009521. The reversal of 2439773009497 is 7949003779342.

2439773009497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2439773009497 - 2³ = 2439773009489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2439773109497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64204552863 + ... + 64204552900.

It is an arithmetic number, because the mean of its divisors is an integer number (642045528820).

Almost surely, 2^{2439773009497} is an apocalyptic number.

It is an amenable number.

2439773009497 is a deficient number, since it is larger than the sum of its proper divisors (128409105783).

2439773009497 is a wasteful number, since it uses less digits than its factorization.

2439773009497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128409105782.

The product of its (nonzero) digits is 72013536, while the sum is 64.

The spelling of 2439773009497 in words is "two trillion, four hundred thirty-nine billion, seven hundred seventy-three million, nine thousand, four hundred ninety-seven".