2153554843486 has 12 divisors (see below), whose sum is σ = 3370797072936. Its totient is φ = 1029956251940.

The previous prime is 2153554843397. The next prime is 2153554843487. The reversal of 2153554843486 is 6843484553512.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2153554843486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153554843487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9844881 + ... + 10061251.

It is an arithmetic number, because the mean of its divisors is an integer number (280899756078).

Almost surely, 2^{2153554843486} is an apocalyptic number.

2153554843486 is a deficient number, since it is larger than the sum of its proper divisors (1217242229450).

2153554843486 is an frugal number, since it uses more digits than its factorization.

2153554843486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432767 (or 216396 counting only the distinct ones).

The product of its digits is 55296000, while the sum is 58.

The spelling of 2153554843486 in words is "two trillion, one hundred fifty-three billion, five hundred fifty-four million, eight hundred forty-three thousand, four hundred eighty-six".