1398387453886 has 16 divisors (see below), whose sum is σ = 2165279592960. Its totient is φ = 676628308440.

The previous prime is 1398387453847. The next prime is 1398387453889. The reversal of 1398387453886 is 6883547838931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398387453889) 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, 4883985 + ... + 5162371.

It is an arithmetic number, because the mean of its divisors is an integer number (135329974560).

Almost surely, 2^{1398387453886} is an apocalyptic number.

1398387453886 is a deficient number, since it is larger than the sum of its proper divisors (766892139074).

1398387453886 is a wasteful number, since it uses less digits than its factorization.

1398387453886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359439.

The product of its digits is 836075520, while the sum is 73.

The spelling of 1398387453886 in words is "one trillion, three hundred ninety-eight billion, three hundred eighty-seven million, four hundred fifty-three thousand, eight hundred eighty-six".