5405240229479 has 2 divisors, whose sum is σ = 5405240229480. Its totient is φ = 5405240229478.

The previous prime is 5405240229461. The next prime is 5405240229481. The reversal of 5405240229479 is 9749220425045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5405240229479 - 2⁸ = 5405240229223 is a prime.

It is a super-2 number, since 2×5405240229479² (a number of 26 digits) contains 22 as substring.

Together with 5405240229481, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5405240229479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5405240229449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702620114739 + 2702620114740.

It is an arithmetic number, because the mean of its divisors is an integer number (2702620114740).

Almost surely, 2^{5405240229479} is an apocalyptic number.

5405240229479 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405240229479 is an equidigital number, since it uses as much as digits as its factorization.

5405240229479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 5405240229479 in words is "five trillion, four hundred five billion, two hundred forty million, two hundred twenty-nine thousand, four hundred seventy-nine".