3505406393 has 2 divisors, whose sum is σ = 3505406394. Its totient is φ = 3505406392.

The previous prime is 3505406371. The next prime is 3505406417. The reversal of 3505406393 is 3936045053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2358364969 + 1147041424 = 48563^2 + 33868^2 .

It is a cyclic number.

It is not a de Polignac number, because 3505406393 - 2²⁶ = 3438297529 is a prime.

It is not a weakly prime, because it can be changed into another prime (3505406323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1752703196 + 1752703197.

It is an arithmetic number, because the mean of its divisors is an integer number (1752703197).

Almost surely, 2^3505406393 is an apocalyptic number.

It is an amenable number.

3505406393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3505406393 is an equidigital number, since it uses as much as digits as its factorization.

3505406393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 38.

The square root of 3505406393 is about 59206.4725600166. The cubic root of 3505406393 is about 1519.0758453467.

The spelling of 3505406393 in words is "three billion, five hundred five million, four hundred six thousand, three hundred ninety-three".