2154036605441 has 4 divisors (see below), whose sum is σ = 2461756120512. Its totient is φ = 1846317090372.

The previous prime is 2154036605393. The next prime is 2154036605443. The reversal of 2154036605441 is 1445066304512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2154036605441 - 2⁶ = 2154036605377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154036605443) 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, 153859757525 + ... + 153859757538.

It is an arithmetic number, because the mean of its divisors is an integer number (615439030128).

Almost surely, 2^{2154036605441} is an apocalyptic number.

It is an amenable number.

2154036605441 is a deficient number, since it is larger than the sum of its proper divisors (307719515071).

2154036605441 is an equidigital number, since it uses as much as digits as its factorization.

2154036605441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307719515070.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 2154036605441 in words is "two trillion, one hundred fifty-four billion, thirty-six million, six hundred five thousand, four hundred forty-one".