2135555393 has 2 divisors, whose sum is σ = 2135555394. Its totient is φ = 2135555392.

The previous prime is 2135555377. The next prime is 2135555431. The reversal of 2135555393 is 3935555312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1249481104 + 886074289 = 35348^2 + 29767^2 .

It is a cyclic number.

It is not a de Polignac number, because 2135555393 - 2⁴ = 2135555377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2135555393.

It is not a weakly prime, because it can be changed into another prime (2135555333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067777696 + 1067777697.

It is an arithmetic number, because the mean of its divisors is an integer number (1067777697).

Almost surely, 2^2135555393 is an apocalyptic number.

It is an amenable number.

2135555393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135555393 is an equidigital number, since it uses as much as digits as its factorization.

2135555393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 303750, while the sum is 41.

The square root of 2135555393 is about 46212.0697761959. The cubic root of 2135555393 is about 1287.7659775124.

The spelling of 2135555393 in words is "two billion, one hundred thirty-five million, five hundred fifty-five thousand, three hundred ninety-three".