4374778444433 has 2 divisors, whose sum is σ = 4374778444434. Its totient is φ = 4374778444432.

The previous prime is 4374778444411. The next prime is 4374778444447. The reversal of 4374778444433 is 3344448774734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3004595824129 + 1370182620304 = 1733377^2 + 1170548^2 .

It is a cyclic number.

It is not a de Polignac number, because 4374778444433 - 2¹⁸ = 4374778182289 is a prime.

It is not a weakly prime, because it can be changed into another prime (4374778444133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2187389222216 + 2187389222217.

It is an arithmetic number, because the mean of its divisors is an integer number (2187389222217).

Almost surely, 2^{4374778444433} is an apocalyptic number.

It is an amenable number.

4374778444433 is a deficient number, since it is larger than the sum of its proper divisors (1).

4374778444433 is an equidigital number, since it uses as much as digits as its factorization.

4374778444433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 303464448, while the sum is 62.

The spelling of 4374778444433 in words is "four trillion, three hundred seventy-four billion, seven hundred seventy-eight million, four hundred forty-four thousand, four hundred thirty-three".