4251245636 has 24 divisors (see below), whose sum is σ = 8377824000. Its totient is φ = 1870048800.

The previous prime is 4251245627. The next prime is 4251245657. The reversal of 4251245636 is 6365421524.

It is a self number, because there is not a number n which added to its sum of digits gives 4251245636.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1557011 + ... + 1559738.

It is an arithmetic number, because the mean of its divisors is an integer number (349076000).

Almost surely, 2^4251245636 is an apocalyptic number.

It is an amenable number.

4251245636 is a deficient number, since it is larger than the sum of its proper divisors (4126578364).

4251245636 is a wasteful number, since it uses less digits than its factorization.

4251245636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116795 (or 3116793 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 4251245636 is about 65201.5769441200. The cubic root of 4251245636 is about 1619.9641352625.

The spelling of 4251245636 in words is "four billion, two hundred fifty-one million, two hundred forty-five thousand, six hundred thirty-six".