1009249417 has 4 divisors (see below), whose sum is σ = 1100999376. Its totient is φ = 917499460.

The previous prime is 1009249369. The next prime is 1009249427. The reversal of 1009249417 is 7149429001.

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 1009249417 - 2⁷ = 1009249289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1009249427) 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, 45874963 + ... + 45874984.

It is an arithmetic number, because the mean of its divisors is an integer number (275249844).

Almost surely, 2^1009249417 is an apocalyptic number.

It is an amenable number.

1009249417 is a deficient number, since it is larger than the sum of its proper divisors (91749959).

1009249417 is an equidigital number, since it uses as much as digits as its factorization.

1009249417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91749958.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1009249417 is about 31768.6861075494. The cubic root of 1009249417 is about 1003.0736818006.

The spelling of 1009249417 in words is "one billion, nine million, two hundred forty-nine thousand, four hundred seventeen".