2293906647985 has 8 divisors (see below), whose sum is σ = 2752711617600. Its totient is φ = 1835109558384.

The previous prime is 2293906647937. The next prime is 2293906647997. The reversal of 2293906647985 is 5897466093922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2293906647985 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1309435 + ... + 2510464.

It is an arithmetic number, because the mean of its divisors is an integer number (344088952200).

Almost surely, 2^{2293906647985} is an apocalyptic number.

It is an amenable number.

2293906647985 is a deficient number, since it is larger than the sum of its proper divisors (458804969615).

2293906647985 is a wasteful number, since it uses less digits than its factorization.

2293906647985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940007.

The product of its (nonzero) digits is 352719360, while the sum is 70.

The spelling of 2293906647985 in words is "two trillion, two hundred ninety-three billion, nine hundred six million, six hundred forty-seven thousand, nine hundred eighty-five".