2417920247 has 4 divisors (see below), whose sum is σ = 2430070800. Its totient is φ = 2405769696.

The previous prime is 2417920201. The next prime is 2417920273. The reversal of 2417920247 is 7420297142.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2417920247 - 2²⁸ = 2149484791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2417920247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2417920147) 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, 6074978 + ... + 6075375.

It is an arithmetic number, because the mean of its divisors is an integer number (607517700).

Almost surely, 2^2417920247 is an apocalyptic number.

2417920247 is a deficient number, since it is larger than the sum of its proper divisors (12150553).

2417920247 is a wasteful number, since it uses less digits than its factorization.

2417920247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150552.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 2417920247 is about 49172.3524655878. The cubic root of 2417920247 is about 1342.1899748677.

The spelling of 2417920247 in words is "two billion, four hundred seventeen million, nine hundred twenty thousand, two hundred forty-seven".