2549338650 has 48 divisors (see below), whose sum is σ = 7024848000. Its totient is φ = 679823280.

The previous prime is 2549338643. The next prime is 2549338663. The reversal of 2549338650 is 568339452.

2549338650 is a `hidden beast` number, since 254 + 9 + 338 + 65 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 2549338596 and 2549338605.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 942850 + ... + 945549.

It is an arithmetic number, because the mean of its divisors is an integer number (146351000).

Almost surely, 2^2549338650 is an apocalyptic number.

2549338650 is an abundant number, since it is smaller than the sum of its proper divisors (4475509350).

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

2549338650 is a wasteful number, since it uses less digits than its factorization.

2549338650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888420 (or 1888409 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 2549338650 is about 50490.9759263970. The cubic root of 2549338650 is about 1366.0790887471.

The spelling of 2549338650 in words is "two billion, five hundred forty-nine million, three hundred thirty-eight thousand, six hundred fifty".