2621052873 has 6 divisors (see below), whose sum is σ = 3785965274. Its totient is φ = 1747368576.

The previous prime is 2621052839. The next prime is 2621052947. The reversal of 2621052873 is 3782501262.

2621052873 is a `hidden beast` number, since 2 + 62 + 1 + 0 + 528 + 73 = 666.

2621052873 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2493204624 + 127848249 = 49932^2 + 11307^2 .

It is not a de Polignac number, because 2621052873 - 2²⁶ = 2553944009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2621052823) 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, 145614040 + ... + 145614057.

Almost surely, 2^2621052873 is an apocalyptic number.

It is an amenable number.

2621052873 is a deficient number, since it is larger than the sum of its proper divisors (1164912401).

2621052873 is a wasteful number, since it uses less digits than its factorization.

2621052873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291228103 (or 291228100 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2621052873 is about 51196.2193233055. The cubic root of 2621052873 is about 1378.7703239432.

The spelling of 2621052873 in words is "two billion, six hundred twenty-one million, fifty-two thousand, eight hundred seventy-three".