1398869020602 has 16 divisors (see below), whose sum is σ = 3108597823680. Its totient is φ = 466289673516.

The previous prime is 1398869020537. The next prime is 1398869020607. The reversal of 1398869020602 is 2060209688931.

1398869020602 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 8 + 6 + 9 + 0 + 20 + 602 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 25904981863 = 1398869020602 / (1 + 3 + 9 + 8 + 8 + 6 + 9 + 0 + 2 + 0 + 6 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (1398869020607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12952490878 + ... + 12952490985.

It is an arithmetic number, because the mean of its divisors is an integer number (194287363980).

Almost surely, 2^{1398869020602} is an apocalyptic number.

1398869020602 is an abundant number, since it is smaller than the sum of its proper divisors (1709728803078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1398869020602 is a wasteful number, since it uses less digits than its factorization.

1398869020602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25904981874 (or 25904981868 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 1398869020602 in words is "one trillion, three hundred ninety-eight billion, eight hundred sixty-nine million, twenty thousand, six hundred two".