2269933987 has 4 divisors (see below), whose sum is σ = 2343157696. Its totient is φ = 2196710280.

The previous prime is 2269933927. The next prime is 2269933999. The reversal of 2269933987 is 7893399622.

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 2269933987 - 2¹⁹ = 2269409699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2269933927) 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, 36611808 + ... + 36611869.

It is an arithmetic number, because the mean of its divisors is an integer number (585789424).

Almost surely, 2^2269933987 is an apocalyptic number.

2269933987 is a deficient number, since it is larger than the sum of its proper divisors (73223709).

2269933987 is an equidigital number, since it uses as much as digits as its factorization.

2269933987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73223708.

The product of its digits is 8817984, while the sum is 58.

The square root of 2269933987 is about 47643.8242272805. The cubic root of 2269933987 is about 1314.2290897047.

The spelling of 2269933987 in words is "two billion, two hundred sixty-nine million, nine hundred thirty-three thousand, nine hundred eighty-seven".