120342434643619 has 2 divisors, whose sum is σ = 120342434643620. Its totient is φ = 120342434643618.

The previous prime is 120342434643593. The next prime is 120342434643637. The reversal of 120342434643619 is 916346434243021.

It is a strong prime.

It is an emirp because it is prime and its reverse (916346434243021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120342434643619 - 2¹⁵ = 120342434610851 is a prime.

It is a super-2 number, since 2×120342434643619² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120342434643679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60171217321809 + 60171217321810.

It is an arithmetic number, because the mean of its divisors is an integer number (60171217321810).

Almost surely, 2^{120342434643619} is an apocalyptic number.

120342434643619 is a deficient number, since it is larger than the sum of its proper divisors (1).

120342434643619 is an equidigital number, since it uses as much as digits as its factorization.

120342434643619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8957952, while the sum is 52.

The spelling of 120342434643619 in words is "one hundred twenty trillion, three hundred forty-two billion, four hundred thirty-four million, six hundred forty-three thousand, six hundred nineteen".