4281603646761 has 40 divisors (see below), whose sum is σ = 7319292756864. Its totient is φ = 2443415388480.

The previous prime is 4281603646759. The next prime is 4281603646813. The reversal of 4281603646761 is 1676463061824.

4281603646761 is a `hidden beast` number, since 4 + 2 + 8 + 160 + 364 + 67 + 61 = 666.

It is not a de Polignac number, because 4281603646761 - 2¹ = 4281603646759 is a prime.

It is a super-2 number, since 2×4281603646761² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4281603646698 and 4281603646707.

It is not an unprimeable number, because it can be changed into a prime (4281603646261) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4529965 + ... + 5392938.

Almost surely, 2^{4281603646761} is an apocalyptic number.

It is an amenable number.

4281603646761 is a deficient number, since it is larger than the sum of its proper divisors (3037689110103).

4281603646761 is an equidigital number, since it uses as much as digits as its factorization.

4281603646761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9923683 (or 9923674 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 4281603646761 in words is "four trillion, two hundred eighty-one billion, six hundred three million, six hundred forty-six thousand, seven hundred sixty-one".