4040428464893 has 2 divisors, whose sum is σ = 4040428464894. Its totient is φ = 4040428464892.

The previous prime is 4040428464881. The next prime is 4040428464913. The reversal of 4040428464893 is 3984648240404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3307004079289 + 733424385604 = 1818517^2 + 856402^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040428464893 - 2¹⁸ = 4040428202749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040428464493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020214232446 + 2020214232447.

It is an arithmetic number, because the mean of its divisors is an integer number (2020214232447).

Almost surely, 2^{4040428464893} is an apocalyptic number.

It is an amenable number.

4040428464893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040428464893 is an equidigital number, since it uses as much as digits as its factorization.

4040428464893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 4040428464893 in words is "four trillion, forty billion, four hundred twenty-eight million, four hundred sixty-four thousand, eight hundred ninety-three".