1398647554862 has 4 divisors (see below), whose sum is σ = 2097971332296. Its totient is φ = 699323777430.

The previous prime is 1398647554861. The next prime is 1398647554867. The reversal of 1398647554862 is 2684557468931.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1398647554792 and 1398647554801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398647554861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349661888714 + ... + 349661888717.

It is an arithmetic number, because the mean of its divisors is an integer number (524492833074).

Almost surely, 2^{1398647554862} is an apocalyptic number.

1398647554862 is a deficient number, since it is larger than the sum of its proper divisors (699323777434).

1398647554862 is an equidigital number, since it uses as much as digits as its factorization.

1398647554862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699323777433.

The product of its digits is 348364800, while the sum is 68.

The spelling of 1398647554862 in words is "one trillion, three hundred ninety-eight billion, six hundred forty-seven million, five hundred fifty-four thousand, eight hundred sixty-two".