2942805227956 has 12 divisors (see below), whose sum is σ = 5618082708000. Its totient is φ = 1337638739960.

The previous prime is 2942805227953. The next prime is 2942805228007. The reversal of 2942805227956 is 6597225082492.

It is a junction number, because it is equal to n+sod(n) for n = 2942805227894 and 2942805227903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942805227951) 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, 33440968456 + ... + 33440968543.

It is an arithmetic number, because the mean of its divisors is an integer number (468173559000).

Almost surely, 2^{2942805227956} is an apocalyptic number.

It is an amenable number.

2942805227956 is a deficient number, since it is larger than the sum of its proper divisors (2675277480044).

2942805227956 is a wasteful number, since it uses less digits than its factorization.

2942805227956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66881937014 (or 66881937012 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 2942805227956 in words is "two trillion, nine hundred forty-two billion, eight hundred five million, two hundred twenty-seven thousand, nine hundred fifty-six".