2045254401439 has 2 divisors, whose sum is σ = 2045254401440. Its totient is φ = 2045254401438.

The previous prime is 2045254401431. The next prime is 2045254401461. The reversal of 2045254401439 is 9341044525402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2045254401439 - 2³ = 2045254401431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2045254401395 and 2045254401404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045254401431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022627200719 + 1022627200720.

It is an arithmetic number, because the mean of its divisors is an integer number (1022627200720).

Almost surely, 2^{2045254401439} is an apocalyptic number.

2045254401439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045254401439 is an equidigital number, since it uses as much as digits as its factorization.

2045254401439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 2045254401439 in words is "two trillion, forty-five billion, two hundred fifty-four million, four hundred one thousand, four hundred thirty-nine".