4251827690 has 32 divisors (see below), whose sum is σ = 8355156480. Its totient is φ = 1544987200.

The previous prime is 4251827689. The next prime is 4251827717. The reversal of 4251827690 is 967281524.

It is a happy number.

It is a super-2 number, since 2×4251827690² = 36156077410901472200, which contains 22 as substring.

It is an unprimeable number.

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, 144860 + ... + 171720.

It is an arithmetic number, because the mean of its divisors is an integer number (261098640).

Almost surely, 2^4251827690 is an apocalyptic number.

4251827690 is a deficient number, since it is larger than the sum of its proper divisors (4103328790).

4251827690 is a wasteful number, since it uses less digits than its factorization.

4251827690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28318.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 4251827690 is about 65206.0402876911. The cubic root of 4251827690 is about 1620.0380636791.

The spelling of 4251827690 in words is "four billion, two hundred fifty-one million, eight hundred twenty-seven thousand, six hundred ninety".