4278016540333 has 2 divisors, whose sum is σ = 4278016540334. Its totient is φ = 4278016540332.

The previous prime is 4278016540253. The next prime is 4278016540367. The reversal of 4278016540333 is 3330456108724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2924931119049 + 1353085421284 = 1710243^2 + 1163222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4278016540333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4278016540433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139008270166 + 2139008270167.

It is an arithmetic number, because the mean of its divisors is an integer number (2139008270167).

Almost surely, 2^{4278016540333} is an apocalyptic number.

It is an amenable number.

4278016540333 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278016540333 is an equidigital number, since it uses as much as digits as its factorization.

4278016540333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 4278016540333 in words is "four trillion, two hundred seventy-eight billion, sixteen million, five hundred forty thousand, three hundred thirty-three".