5091909643 has 2 divisors, whose sum is σ = 5091909644. Its totient is φ = 5091909642.

The previous prime is 5091909601. The next prime is 5091909673. The reversal of 5091909643 is 3469091905.

5091909643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5091909643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5091909593 and 5091909602.

It is not a weakly prime, because it can be changed into another prime (5091909673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545954821 + 2545954822.

It is an arithmetic number, because the mean of its divisors is an integer number (2545954822).

Almost surely, 2^5091909643 is an apocalyptic number.

5091909643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5091909643 is an equidigital number, since it uses as much as digits as its factorization.

5091909643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 5091909643 is about 71357.6179745372. The cubic root of 5091909643 is about 1720.3899470792.

The spelling of 5091909643 in words is "five billion, ninety-one million, nine hundred nine thousand, six hundred forty-three".