1243414402379 has 2 divisors, whose sum is σ = 1243414402380. Its totient is φ = 1243414402378.

The previous prime is 1243414402357. The next prime is 1243414402429. The reversal of 1243414402379 is 9732044143421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1243414402379 - 2⁸ = 1243414402123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1243414402579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621707201189 + 621707201190.

It is an arithmetic number, because the mean of its divisors is an integer number (621707201190).

Almost surely, 2^{1243414402379} is an apocalyptic number.

1243414402379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243414402379 is an equidigital number, since it uses as much as digits as its factorization.

1243414402379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 1243414402379 in words is "one trillion, two hundred forty-three billion, four hundred fourteen million, four hundred two thousand, three hundred seventy-nine".