2549808106 has 32 divisors (see below), whose sum is σ = 4037672448. Its totient is φ = 1205297280.

The previous prime is 2549808101. The next prime is 2549808119. The reversal of 2549808106 is 6018089452.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2549808101) 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 15 ways as a sum of consecutive naturals, for example, 1707096 + ... + 1708588.

It is an arithmetic number, because the mean of its divisors is an integer number (126177264).

Almost surely, 2^2549808106 is an apocalyptic number.

2549808106 is a deficient number, since it is larger than the sum of its proper divisors (1487864342).

2549808106 is a wasteful number, since it uses less digits than its factorization.

2549808106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 2549808106 is about 50495.6246223373. The cubic root of 2549808106 is about 1366.1629372468.

The spelling of 2549808106 in words is "two billion, five hundred forty-nine million, eight hundred eight thousand, one hundred six".