2654704624021 has 4 divisors (see below), whose sum is σ = 2654707936012. Its totient is φ = 2654701312032.

The previous prime is 2654704623881. The next prime is 2654704624031. The reversal of 2654704624021 is 1204264074562.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2604072873796 + 50631750225 = 1613714^2 + 225015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2654704624021 - 2¹¹ = 2654704621973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654704624031) 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, 384001 + ... + 2335993.

It is an arithmetic number, because the mean of its divisors is an integer number (663676984003).

Almost surely, 2^{2654704624021} is an apocalyptic number.

It is an amenable number.

2654704624021 is a deficient number, since it is larger than the sum of its proper divisors (3311991).

2654704624021 is a wasteful number, since it uses less digits than its factorization.

2654704624021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311990.

The product of its (nonzero) digits is 645120, while the sum is 43.

Adding to 2654704624021 its reverse (1204264074562), we get a palindrome (3858968698583).

The spelling of 2654704624021 in words is "two trillion, six hundred fifty-four billion, seven hundred four million, six hundred twenty-four thousand, twenty-one".