2591694383 has 2 divisors, whose sum is σ = 2591694384. Its totient is φ = 2591694382.

The previous prime is 2591694379. The next prime is 2591694397. The reversal of 2591694383 is 3834961952.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2591694383 - 2² = 2591694379 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2591694283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295847191 + 1295847192.

It is an arithmetic number, because the mean of its divisors is an integer number (1295847192).

Almost surely, 2^2591694383 is an apocalyptic number.

2591694383 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591694383 is an equidigital number, since it uses as much as digits as its factorization.

2591694383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 50.

The square root of 2591694383 is about 50908.6867145480. The cubic root of 2591694383 is about 1373.6031006499.

The spelling of 2591694383 in words is "two billion, five hundred ninety-one million, six hundred ninety-four thousand, three hundred eighty-three".