2153886854353 has 4 divisors (see below), whose sum is σ = 2319570458548. Its totient is φ = 1988203250160.

The previous prime is 2153886854341. The next prime is 2153886854369. The reversal of 2153886854353 is 3534586883512.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137339171649 + 2016547682704 = 370593^2 + 1420052^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153886854353 - 2¹³ = 2153886846161 is a prime.

It is a super-2 number, since 2×2153886854353² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2153886854291 and 2153886854300.

It is not an unprimeable number, because it can be changed into a prime (2153886854653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82841802078 + ... + 82841802103.

It is an arithmetic number, because the mean of its divisors is an integer number (579892614637).

Almost surely, 2^{2153886854353} is an apocalyptic number.

It is an amenable number.

2153886854353 is a deficient number, since it is larger than the sum of its proper divisors (165683604195).

2153886854353 is a wasteful number, since it uses less digits than its factorization.

2153886854353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165683604194.

The product of its digits is 82944000, while the sum is 61.

The spelling of 2153886854353 in words is "two trillion, one hundred fifty-three billion, eight hundred eighty-six million, eight hundred fifty-four thousand, three hundred fifty-three".