2117094293487 has 16 divisors (see below), whose sum is σ = 2867684089088. Its totient is φ = 1389118481280.

The previous prime is 2117094293449. The next prime is 2117094293507. The reversal of 2117094293487 is 7843924907112.

It is not a de Polignac number, because 2117094293487 - 2¹² = 2117094289391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117094293437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20966314 + ... + 21067047.

It is an arithmetic number, because the mean of its divisors is an integer number (179230255568).

Almost surely, 2^{2117094293487} is an apocalyptic number.

2117094293487 is a deficient number, since it is larger than the sum of its proper divisors (750589795601).

2117094293487 is a wasteful number, since it uses less digits than its factorization.

2117094293487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42033630.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 2117094293487 in words is "two trillion, one hundred seventeen billion, ninety-four million, two hundred ninety-three thousand, four hundred eighty-seven".