2153510133643 has 4 divisors (see below), whose sum is σ = 2349283782168. Its totient is φ = 1957736485120.

The previous prime is 2153510133629. The next prime is 2153510133659. The reversal of 2153510133643 is 3463310153512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2153510133643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153510133143) 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, 97886824246 + ... + 97886824267.

It is an arithmetic number, because the mean of its divisors is an integer number (587320945542).

Almost surely, 2^{2153510133643} is an apocalyptic number.

2153510133643 is a deficient number, since it is larger than the sum of its proper divisors (195773648525).

2153510133643 is a wasteful number, since it uses less digits than its factorization.

2153510133643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195773648524.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 2153510133643 in words is "two trillion, one hundred fifty-three billion, five hundred ten million, one hundred thirty-three thousand, six hundred forty-three".