5405430391 has 2 divisors, whose sum is σ = 5405430392. Its totient is φ = 5405430390.

The previous prime is 5405430389. The next prime is 5405430419. The reversal of 5405430391 is 1930345045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5405430391 - 2¹ = 5405430389 is a prime.

Together with 5405430389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5405430691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702715195 + 2702715196.

It is an arithmetic number, because the mean of its divisors is an integer number (2702715196).

Almost surely, 2^5405430391 is an apocalyptic number.

5405430391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405430391 is an equidigital number, since it uses as much as digits as its factorization.

5405430391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 5405430391 is about 73521.6321295984. The cubic root of 5405430391 is about 1754.9985407033.

The spelling of 5405430391 in words is "five billion, four hundred five million, four hundred thirty thousand, three hundred ninety-one".