2940317021243 has 16 divisors (see below), whose sum is σ = 3558344131584. Its totient is φ = 2371811487360.

The previous prime is 2940317021221. The next prime is 2940317021249. The reversal of 2940317021243 is 3421207130492.

It is not a de Polignac number, because 2940317021243 - 2¹⁰ = 2940317020219 is a prime.

It is a super-2 number, since 2×2940317021243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2940317021197 and 2940317021206.

It is not an unprimeable number, because it can be changed into a prime (2940317021249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275246 + ... + 2440572.

It is an arithmetic number, because the mean of its divisors is an integer number (222396508224).

Almost surely, 2^{2940317021243} is an apocalyptic number.

2940317021243 is a deficient number, since it is larger than the sum of its proper divisors (618027110341).

2940317021243 is a wasteful number, since it uses less digits than its factorization.

2940317021243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176762.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 2940317021243 in words is "two trillion, nine hundred forty billion, three hundred seventeen million, twenty-one thousand, two hundred forty-three".