2091596393 has 2 divisors, whose sum is σ = 2091596394. Its totient is φ = 2091596392.

The previous prime is 2091596389. The next prime is 2091596413. The reversal of 2091596393 is 3936951902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1965326224 + 126270169 = 44332^2 + 11237^2 .

It is a cyclic number.

It is not a de Polignac number, because 2091596393 - 2² = 2091596389 is a prime.

It is a super-2 number, since 2×2091596393² = 8749550942421220898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2091596693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045798196 + 1045798197.

It is an arithmetic number, because the mean of its divisors is an integer number (1045798197).

Almost surely, 2^2091596393 is an apocalyptic number.

It is an amenable number.

2091596393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091596393 is an equidigital number, since it uses as much as digits as its factorization.

2091596393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393660, while the sum is 47.

The square root of 2091596393 is about 45733.9741658212. The cubic root of 2091596393 is about 1278.8687092985.

The spelling of 2091596393 in words is "two billion, ninety-one million, five hundred ninety-six thousand, three hundred ninety-three".