3403440220399 has 2 divisors, whose sum is σ = 3403440220400. Its totient is φ = 3403440220398.

The previous prime is 3403440220393. The next prime is 3403440220421. The reversal of 3403440220399 is 9930220443043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3403440220399 - 2¹¹ = 3403440218351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3403440220393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701720110199 + 1701720110200.

It is an arithmetic number, because the mean of its divisors is an integer number (1701720110200).

Almost surely, 2^{3403440220399} is an apocalyptic number.

3403440220399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3403440220399 is an equidigital number, since it uses as much as digits as its factorization.

3403440220399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 3403440220399 in words is "three trillion, four hundred three billion, four hundred forty million, two hundred twenty thousand, three hundred ninety-nine".