5243192048639 has 2 divisors, whose sum is σ = 5243192048640. Its totient is φ = 5243192048638.

The previous prime is 5243192048623. The next prime is 5243192048729. The reversal of 5243192048639 is 9368402913425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5243192048639 - 2⁴ = 5243192048623 is a prime.

It is a super-2 number, since 2×5243192048639² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5243192048609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621596024319 + 2621596024320.

It is an arithmetic number, because the mean of its divisors is an integer number (2621596024320).

Almost surely, 2^{5243192048639} is an apocalyptic number.

5243192048639 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243192048639 is an equidigital number, since it uses as much as digits as its factorization.

5243192048639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 56.

The spelling of 5243192048639 in words is "five trillion, two hundred forty-three billion, one hundred ninety-two million, forty-eight thousand, six hundred thirty-nine".