104243745439 has 2 divisors, whose sum is σ = 104243745440. Its totient is φ = 104243745438.

The previous prime is 104243745409. The next prime is 104243745469. The reversal of 104243745439 is 934547342401.

It is a balanced prime because it is at equal distance from previous prime (104243745409) and next prime (104243745469).

It is a cyclic number.

It is not a de Polignac number, because 104243745439 - 2³¹ = 102096261791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104243745409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52121872719 + 52121872720.

It is an arithmetic number, because the mean of its divisors is an integer number (52121872720).

Almost surely, 2^104243745439 is an apocalyptic number.

104243745439 is a deficient number, since it is larger than the sum of its proper divisors (1).

104243745439 is an equidigital number, since it uses as much as digits as its factorization.

104243745439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 104243745439 in words is "one hundred four billion, two hundred forty-three million, seven hundred forty-five thousand, four hundred thirty-nine".