1398857349299 has 2 divisors, whose sum is σ = 1398857349300.
Its totient is φ = 1398857349298.
The previous prime is 1398857349229. The next prime is 1398857349343. The reversal of 1398857349299 is 9929437588931.
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 2k-1398857349299 is a prime.
It is not a weakly prime, because it can be changed into another prime (1398857349229) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699428674649 + 699428674650.
It is an arithmetic number, because the mean of its divisors is an integer number (699428674650).
Almost surely, 21398857349299 is an apocalyptic number.
1398857349299 is a deficient number, since it is larger than the sum of its proper divisors (1).
1398857349299 is an equidigital number, since it uses as much as digits as its factorization.
1398857349299 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1058158080, while the sum is 77.
The spelling of 1398857349299 in words is "one trillion, three hundred ninety-eight billion, eight hundred fifty-seven million, three hundred forty-nine thousand, two hundred ninety-nine".