5234420491 has 2 divisors, whose sum is σ = 5234420492. Its totient is φ = 5234420490.

The previous prime is 5234420489. The next prime is 5234420497. The reversal of 5234420491 is 1940244325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5234420491 - 2¹ = 5234420489 is a prime.

Together with 5234420489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5234420497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2617210245 + 2617210246.

It is an arithmetic number, because the mean of its divisors is an integer number (2617210246).

Almost surely, 2^5234420491 is an apocalyptic number.

5234420491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5234420491 is an equidigital number, since it uses as much as digits as its factorization.

5234420491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 5234420491 is about 72349.2950276642. The cubic root of 5234420491 is about 1736.2924194127.

The spelling of 5234420491 in words is "five billion, two hundred thirty-four million, four hundred twenty thousand, four hundred ninety-one".