4282781656 has 8 divisors (see below), whose sum is σ = 8030215620. Its totient is φ = 2141390824.

The previous prime is 4282781647. The next prime is 4282781663. The reversal of 4282781656 is 6561872824.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267673846 + ... + 267673861.

Almost surely, 2^4282781656 is an apocalyptic number.

It is an amenable number.

4282781656 is a deficient number, since it is larger than the sum of its proper divisors (3747433964).

4282781656 is a wasteful number, since it uses less digits than its factorization.

4282781656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535347713 (or 535347709 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 4282781656 is about 65442.9649083842. The cubic root of 4282781656 is about 1623.9599379814.

The spelling of 4282781656 in words is "four billion, two hundred eighty-two million, seven hundred eighty-one thousand, six hundred fifty-six".