1398871542747 has 48 divisors (see below), whose sum is σ = 2159001457920. Its totient is φ = 789213523776.

The previous prime is 1398871542709. The next prime is 1398871542751. The reversal of 1398871542747 is 7472451788931.

It is not a de Polignac number, because 1398871542747 - 2³⁹ = 849115728859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1398871543747) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403480108 + ... + 403483574.

It is an arithmetic number, because the mean of its divisors is an integer number (44979197040).

Almost surely, 2^{1398871542747} is an apocalyptic number.

1398871542747 is a deficient number, since it is larger than the sum of its proper divisors (760129915173).

1398871542747 is an equidigital number, since it uses as much as digits as its factorization.

1398871542747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432 (or 6349 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 66.

The spelling of 1398871542747 in words is "one trillion, three hundred ninety-eight billion, eight hundred seventy-one million, five hundred forty-two thousand, seven hundred forty-seven".