2940945843 has 16 divisors (see below), whose sum is σ = 4278822912. Its totient is φ = 1781940000.

The previous prime is 2940945829. The next prime is 2940945857. The reversal of 2940945843 is 3485490492.

It is an interprime number because it is at equal distance from previous prime (2940945829) and next prime (2940945857).

It is not a de Polignac number, because 2940945843 - 2⁸ = 2940945587 is a prime.

It is a super-4 number, since 4×2940945843⁴ (a number of 39 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2940945792 and 2940945801.

It is not an unprimeable number, because it can be changed into a prime (2940945863) 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, 159598 + ... + 177068.

It is an arithmetic number, because the mean of its divisors is an integer number (267426432).

Almost surely, 2^2940945843 is an apocalyptic number.

2940945843 is a deficient number, since it is larger than the sum of its proper divisors (1337877069).

2940945843 is a wasteful number, since it uses less digits than its factorization.

2940945843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22586.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The square root of 2940945843 is about 54230.4881316774. The cubic root of 2940945843 is about 1432.7233613983.

The spelling of 2940945843 in words is "two billion, nine hundred forty million, nine hundred forty-five thousand, eight hundred forty-three".