1009622049 has 4 divisors (see below), whose sum is σ = 1346162736. Its totient is φ = 673081364.

The previous prime is 1009622039. The next prime is 1009622051. The reversal of 1009622049 is 9402269001.

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 1009622049 - 2⁵ = 1009622017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1009622039) 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, 168270339 + ... + 168270344.

It is an arithmetic number, because the mean of its divisors is an integer number (336540684).

Almost surely, 2^1009622049 is an apocalyptic number.

It is an amenable number.

1009622049 is a deficient number, since it is larger than the sum of its proper divisors (336540687).

1009622049 is an equidigital number, since it uses as much as digits as its factorization.

1009622049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336540686.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1009622049 is about 31774.5503351346. The cubic root of 1009622049 is about 1003.1971172150.

The spelling of 1009622049 in words is "one billion, nine million, six hundred twenty-two thousand, forty-nine".