2945404671 has 8 divisors (see below), whose sum is σ = 4284225024. Its totient is φ = 1785093720.

The previous prime is 2945404663. The next prime is 2945404687. The reversal of 2945404671 is 1764045492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2945404671 - 2³ = 2945404663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945404661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44627311 + ... + 44627376.

It is an arithmetic number, because the mean of its divisors is an integer number (535528128).

Almost surely, 2^2945404671 is an apocalyptic number.

2945404671 is a deficient number, since it is larger than the sum of its proper divisors (1338820353).

2945404671 is a wasteful number, since it uses less digits than its factorization.

2945404671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89254701.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2945404671 is about 54271.5825363514. The cubic root of 2945404671 is about 1433.4470561592.

The spelling of 2945404671 in words is "two billion, nine hundred forty-five million, four hundred four thousand, six hundred seventy-one".