5423541491 has 2 divisors, whose sum is σ = 5423541492. Its totient is φ = 5423541490.

The previous prime is 5423541439. The next prime is 5423541521. The reversal of 5423541491 is 1941453245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5423541491 is a prime.

It is not a weakly prime, because it can be changed into another prime (5423541191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2711770745 + 2711770746.

It is an arithmetic number, because the mean of its divisors is an integer number (2711770746).

Almost surely, 2^5423541491 is an apocalyptic number.

5423541491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5423541491 is an equidigital number, since it uses as much as digits as its factorization.

5423541491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 5423541491 is about 73644.6976434828. The cubic root of 5423541491 is about 1756.9564187879.

The spelling of 5423541491 in words is "five billion, four hundred twenty-three million, five hundred forty-one thousand, four hundred ninety-one".