2945407866 has 32 divisors (see below), whose sum is σ = 6057029760. Its totient is φ = 954161856.

The previous prime is 2945407793. The next prime is 2945407877. The reversal of 2945407866 is 6687045492.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196800 + ... + 211236.

It is an arithmetic number, because the mean of its divisors is an integer number (189282180).

Almost surely, 2^2945407866 is an apocalyptic number.

2945407866 is an abundant number, since it is smaller than the sum of its proper divisors (3111621894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2945407866 is a wasteful number, since it uses less digits than its factorization.

2945407866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15398.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 2945407866 is about 54271.6119716376. The cubic root of 2945407866 is about 1433.4475744651.

The spelling of 2945407866 in words is "two billion, nine hundred forty-five million, four hundred seven thousand, eight hundred sixty-six".