1398857349297 has 8 divisors (see below), whose sum is σ = 1882574377056. Its totient is φ = 923855943872.

The previous prime is 1398857349229. The next prime is 1398857349299. The reversal of 1398857349297 is 7929437588931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1398857349297 - 2¹² = 1398857345201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1398857349299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2178905208 + ... + 2178905849.

It is an arithmetic number, because the mean of its divisors is an integer number (235321797132).

Almost surely, 2^{1398857349297} is an apocalyptic number.

It is an amenable number.

1398857349297 is a deficient number, since it is larger than the sum of its proper divisors (483717027759).

1398857349297 is a wasteful number, since it uses less digits than its factorization.

1398857349297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357811167.

The product of its digits is 823011840, while the sum is 75.

The spelling of 1398857349297 in words is "one trillion, three hundred ninety-eight billion, eight hundred fifty-seven million, three hundred forty-nine thousand, two hundred ninety-seven".