5404352491 has 2 divisors, whose sum is σ = 5404352492. Its totient is φ = 5404352490.

The previous prime is 5404352489. The next prime is 5404352509. The reversal of 5404352491 is 1942534045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5404352491 - 2¹ = 5404352489 is a prime.

Together with 5404352489, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5404352491.

It is not a weakly prime, because it can be changed into another prime (5404352431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702176245 + 2702176246.

It is an arithmetic number, because the mean of its divisors is an integer number (2702176246).

Almost surely, 2^5404352491 is an apocalyptic number.

5404352491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5404352491 is an equidigital number, since it uses as much as digits as its factorization.

5404352491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 5404352491 is about 73514.3012685287. The cubic root of 5404352491 is about 1754.8818778570.

The spelling of 5404352491 in words is "five billion, four hundred four million, three hundred fifty-two thousand, four hundred ninety-one".