2275981509 has 8 divisors (see below), whose sum is σ = 3139284960. Its totient is φ = 1464999536.

The previous prime is 2275981501. The next prime is 2275981531. The reversal of 2275981509 is 9051895722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2275981509 - 2³ = 2275981501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275981501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13080267 + ... + 13080440.

It is an arithmetic number, because the mean of its divisors is an integer number (392410620).

Almost surely, 2^2275981509 is an apocalyptic number.

2275981509 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2275981509 is a deficient number, since it is larger than the sum of its proper divisors (863303451).

2275981509 is a wasteful number, since it uses less digits than its factorization.

2275981509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26160739.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 2275981509 is about 47707.2479713513. The cubic root of 2275981509 is about 1315.3951708399.

The spelling of 2275981509 in words is "two billion, two hundred seventy-five million, nine hundred eighty-one thousand, five hundred nine".