42789468047399 has 2 divisors, whose sum is σ = 42789468047400. Its totient is φ = 42789468047398.

The previous prime is 42789468047323. The next prime is 42789468047461. The reversal of 42789468047399 is 99374086498724.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42789468047399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42789468047099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21394734023699 + 21394734023700.

It is an arithmetic number, because the mean of its divisors is an integer number (21394734023700).

Almost surely, 2^{42789468047399} is an apocalyptic number.

42789468047399 is a deficient number, since it is larger than the sum of its proper divisors (1).

42789468047399 is an equidigital number, since it uses as much as digits as its factorization.

42789468047399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5267275776, while the sum is 80.

The spelling of 42789468047399 in words is "forty-two trillion, seven hundred eighty-nine billion, four hundred sixty-eight million, forty-seven thousand, three hundred ninety-nine".