2945219320 has 16 divisors (see below), whose sum is σ = 6626743560. Its totient is φ = 1178087712.

The previous prime is 2945219311. The next prime is 2945219341. The reversal of 2945219320 is 239125492.

It is a self number, because there is not a number n which added to its sum of digits gives 2945219320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36815202 + ... + 36815281.

Almost surely, 2^2945219320 is an apocalyptic number.

2945219320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2945219320 is an abundant number, since it is smaller than the sum of its proper divisors (3681524240).

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

2945219320 is a wasteful number, since it uses less digits than its factorization.

2945219320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73630494 (or 73630490 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 2945219320 is about 54269.8748846909. The cubic root of 2945219320 is about 1433.4169871253.

The spelling of 2945219320 in words is "two billion, nine hundred forty-five million, two hundred nineteen thousand, three hundred twenty".