2479988121439 has 2 divisors, whose sum is σ = 2479988121440. Its totient is φ = 2479988121438.

The previous prime is 2479988121367. The next prime is 2479988121449. The reversal of 2479988121439 is 9341218899742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2479988121439 - 2¹³ = 2479988113247 is a prime.

It is a super-2 number, since 2×2479988121439² (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 (2479988121449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239994060719 + 1239994060720.

It is an arithmetic number, because the mean of its divisors is an integer number (1239994060720).

Almost surely, 2^{2479988121439} is an apocalyptic number.

2479988121439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479988121439 is an equidigital number, since it uses as much as digits as its factorization.

2479988121439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 67.

The spelling of 2479988121439 in words is "two trillion, four hundred seventy-nine billion, nine hundred eighty-eight million, one hundred twenty-one thousand, four hundred thirty-nine".