2551850768 has 10 divisors (see below), whose sum is σ = 4944210894. Its totient is φ = 1275925376.

The previous prime is 2551850761. The next prime is 2551850813. The reversal of 2551850768 is 8670581552.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2549442064 + 2408704 = 50492^2 + 1552^2 .

It is not an unprimeable number, because it can be changed into a prime (2551850761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79745321 + ... + 79745352.

Almost surely, 2^2551850768 is an apocalyptic number.

It is an amenable number.

2551850768 is a deficient number, since it is larger than the sum of its proper divisors (2392360126).

2551850768 is a wasteful number, since it uses less digits than its factorization.

2551850768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159490681 (or 159490675 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 47.

The square root of 2551850768 is about 50515.8467018024. The cubic root of 2551850768 is about 1366.5276528311.

The spelling of 2551850768 in words is "two billion, five hundred fifty-one million, eight hundred fifty thousand, seven hundred sixty-eight".