2091835393 has 2 divisors, whose sum is σ = 2091835394. Its totient is φ = 2091835392.

The previous prime is 2091835387. The next prime is 2091835399. The reversal of 2091835393 is 3935381902.

It is a balanced prime because it is at equal distance from previous prime (2091835387) and next prime (2091835399).

It can be written as a sum of positive squares in only one way, i.e., 1605765184 + 486070209 = 40072^2 + 22047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2091835393 is a prime.

It is a super-2 number, since 2×2091835393² = 8751550622814928898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2091835399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045917696 + 1045917697.

It is an arithmetic number, because the mean of its divisors is an integer number (1045917697).

Almost surely, 2^2091835393 is an apocalyptic number.

It is an amenable number.

2091835393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091835393 is an equidigital number, since it uses as much as digits as its factorization.

2091835393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 2091835393 is about 45736.5870283300. The cubic root of 2091835393 is about 1278.9174181829.

The spelling of 2091835393 in words is "two billion, ninety-one million, eight hundred thirty-five thousand, three hundred ninety-three".