4281246621 has 12 divisors (see below), whose sum is σ = 6185000640. Its totient is φ = 2853713160.

The previous prime is 4281246589. The next prime is 4281246647. The reversal of 4281246621 is 1266421824.

4281246621 is a `hidden beast` number, since 4 + 2 + 8 + 1 + 24 + 6 + 621 = 666.

It is not a de Polignac number, because 4281246621 - 2⁵ = 4281246589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4281346621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28620 + ... + 96858.

It is an arithmetic number, because the mean of its divisors is an integer number (515416720).

Almost surely, 2^4281246621 is an apocalyptic number.

It is an amenable number.

4281246621 is a deficient number, since it is larger than the sum of its proper divisors (1903754019).

4281246621 is a wasteful number, since it uses less digits than its factorization.

4281246621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75216 (or 75213 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 4281246621 is about 65431.2358205162. The cubic root of 4281246621 is about 1623.7658948391.

The spelling of 4281246621 in words is "four billion, two hundred eighty-one million, two hundred forty-six thousand, six hundred twenty-one".