2845721950 has 12 divisors (see below), whose sum is σ = 5293042920. Its totient is φ = 1138288760.

The previous prime is 2845721939. The next prime is 2845721959. The reversal of 2845721950 is 591275482.

It is a junction number, because it is equal to n+sod(n) for n = 2845721897 and 2845721906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2845721959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28457170 + ... + 28457269.

It is an arithmetic number, because the mean of its divisors is an integer number (441086910).

Almost surely, 2^2845721950 is an apocalyptic number.

2845721950 is a deficient number, since it is larger than the sum of its proper divisors (2447320970).

2845721950 is a wasteful number, since it uses less digits than its factorization.

2845721950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56914451 (or 56914446 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2845721950 is about 53345.3086034752. The cubic root of 2845721950 is about 1417.0901780311.

The spelling of 2845721950 in words is "two billion, eight hundred forty-five million, seven hundred twenty-one thousand, nine hundred fifty".