4281778334066 has 4 divisors (see below), whose sum is σ = 6422667501102. Its totient is φ = 2140889167032.

The previous prime is 4281778334047. The next prime is 4281778334089. The reversal of 4281778334066 is 6604338771824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2403960321841 + 1877818012225 = 1550471^2 + 1370335^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4281778333996 and 4281778334014.

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 as a sum of consecutive naturals, namely, 1070444583515 + ... + 1070444583518.

Almost surely, 2^{4281778334066} is an apocalyptic number.

4281778334066 is a deficient number, since it is larger than the sum of its proper divisors (2140889167036).

4281778334066 is a wasteful number, since it uses less digits than its factorization.

4281778334066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140889167035.

The product of its (nonzero) digits is 32514048, while the sum is 59.

The spelling of 4281778334066 in words is "four trillion, two hundred eighty-one billion, seven hundred seventy-eight million, three hundred thirty-four thousand, sixty-six".