3405578399 has 2 divisors, whose sum is σ = 3405578400. Its totient is φ = 3405578398.

The previous prime is 3405578389. The next prime is 3405578417. The reversal of 3405578399 is 9938755043.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3405578399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3405578399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3405578369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702789199 + 1702789200.

It is an arithmetic number, because the mean of its divisors is an integer number (1702789200).

Almost surely, 2^3405578399 is an apocalyptic number.

3405578399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3405578399 is an equidigital number, since it uses as much as digits as its factorization.

3405578399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The square root of 3405578399 is about 58357.3337207930. Note that the first 3 decimals coincide. The cubic root of 3405578399 is about 1504.5165202326.

The spelling of 3405578399 in words is "three billion, four hundred five million, five hundred seventy-eight thousand, three hundred ninety-nine".