2539619369423 has 2 divisors, whose sum is σ = 2539619369424. Its totient is φ = 2539619369422.

The previous prime is 2539619369411. The next prime is 2539619369453. The reversal of 2539619369423 is 3249639169352.

It is a happy number.

2539619369423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2539619369423 - 2⁶ = 2539619369359 is a prime.

It is a super-2 number, since 2×2539619369423² (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 (2539619369453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269809684711 + 1269809684712.

It is an arithmetic number, because the mean of its divisors is an integer number (1269809684712).

Almost surely, 2^{2539619369423} is an apocalyptic number.

2539619369423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539619369423 is an equidigital number, since it uses as much as digits as its factorization.

2539619369423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56687040, while the sum is 62.

The spelling of 2539619369423 in words is "two trillion, five hundred thirty-nine billion, six hundred nineteen million, three hundred sixty-nine thousand, four hundred twenty-three".